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History

Through involvement with various projects at home and abroad,
Meisei continues to make history.

Since its incorporation in 1938, Meisei’s technology has been making history in many fields. Meisei’s technology has been consistently supporting the histories of meteorological observation and Space development in Japan.
We will continue to be involved in epoch-making projects through development of innovative products and systems.

1930年代

1939
Meisei developed its first radiosonde.

Meisei received the first order of 1,000 radiosondes. Three types of sondes were manufactured to measure cloud, wind, and temperature & humidity.

1940年代

1948
Radiosondes were delivered to the Central Meteorological Observatory.

Meisei developed “CMO-S48B code sending type radiosonde,” adopting the then innovative digital method. This product was delivered to the Central Meteorological Observatory and contributed to the establishment of reputation as “Meisei renowned with sonde”.

1950年製 CMO-S49B型符号式ラジオゾンデ

CMO-S49B code sending type radiosonde made in 1950

1950年代

1952
A weather robot was delivered to the Central Meteorological Observatory.

Meisei’s radio technology realized unmanned observation of precipitation, which would replace the conventional manned observation in meteorological stations, and made it possible to observe precipitation in mountainous areas as well.

1955
Japan’s first electric instrument
launched by a rocket.

Meisei developed and delivered an FM-FM telemeter transmission system for the “Baby-T rocket” in 1955. The successful launch made us the Japan’s 1st manufacturer of electric instruments to be installed in rockets.

「ベビーT」ロケット映像資料:宇宙科学研究所 ビデオシリーズより

Baby-T Rocket ⒸJAXA

1960年代

1964
Developed a rocketsonde.

Meisei developed a rocketsonde that observed the mesosphere thermosphere (altitude of 60 km above ground level). These rocketsondes were launched from the meteorological rocket observation center in Ayasato, Sanriku-cho (present Ofunato-shi), Iwate Prefecture. A total of 1,119 sondes had been launched by March 2001, when the rocket observations were ended.

1969
Meisei’s instruments were employed
by the Winter Party
of the 11th Japanese Antarctic
Research Exploration.

Meisei’s instruments played an important role in the observation of Aurora Polaris by rocket or balloon in the Antarctica from 1969 until 1985 ( for 16 consecutive years ), when the rocket experiments officially completed, and Meisei involved in all Aurora Polaris’ observations.

南極観測越冬隊による大気球でのオーロラ観測

Aurora Polaris observation using balloons
by the Winter Party of the Japanese Antarctic Research Exploration

1970年代

1974
AMeDAS (Automated Meteorological
Data Acquisition System)
was delivered to JMA.

“AMeDAS” is a meteorological instrument that became popular among Japanese people with its simple and easy-to-understand name. This unmanned observation system was deployed at 1,300 locations throughout Japan to observe precipitation, wind direction, wind velocity, temperature, and solar radiation.

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“AMeDAS”

1980年代

1982
Very Long Baseline Interferometry (VLBI)

Meisei contributed to the development of “VLBI”, which observes radio sources of stars with a radio telescope for ultrawide measurement. It is now possible to detect tectonic plate motions in the order of 10cm/year with the VLBI technology, which is greatly contributing to the prediction of earthquake occurrence, etc.

超長基線電波干渉計受信装置「VLBI」

[VLBI] installed in the Geographical Survey Institute

1983
NASA’s Space Shuttle launched with Meisei’s products.

Meisei delivered six mounted devices for Japan’s first artificial aurora experiment (SEPAC) using a space shuttle.

*SEPAC (Space Experiments with Particle Accelerators) is a joint US-Japan investigation.

超長基線電波干渉計受信装置「VLBI」

[VLBI] installed in the Geographical Survey Institute

1990年代

1991
Seismic intensity meter was delivered to JMA.

Meisei developed the world first seismic intensity meter. Seismic intensity measurement achieved a great progress from the conventional somatosensory method. Seismic information captured by the Seismic Intensity Meter is transmitted through telecommunication lines, and promptly delivered to the population through TV and other media thus contributing to the rapid deployment of emergency and rescue teams in the initial stage of earthquakes.

Seismic intensity meter

Seismic intensity meter

1994
Tsunami earthquake observation
instruments were delivered to JMA.

In light of the lessons learnt from the disastrous experiences in the Nihonkai-Chubu Earthquake and Southwest-off Hokkaido Earthquake (Okujiri Earthquake), Meisei’s tsunami earthquake observation instruments were deployed at 182 locations throughout Japan in order to detect earthquakes which may cause Tsunami as early as possible. These instruments allow around-the-clock observation of earthquakes throughout Japan and issue tidal wave information within approximately three minutes of the occurrence of an earthquake.

Seismic intensity meter

Seismic intensity meter

2000年代

2000
AMOS
(Airport Meteorological Observing System)

AMOSs are installed at 50 airports throughout Japan to observe weather conditions at the airports and transmit the data to the Civil Aviation Bureau and airlines. Serving an important role in the safe operation of aircraft.

羽田空港の「AMOS」視程計

Airport Meteorological Observing System (AMOS) at Haneda Airport

2003
“Hayabusa” was equipped with X-Ray Spectrometer (XRS).

This “Hayabusa” was equipped with X-Ray Spectrometer (XRS), which was developed by MEISEI.Measuring the fluorescent X-rays emitted from the surface of an asteroid, it is possible to determine about the type of element are there.

羽田空港の「AMOS」視程計

Airport Meteorological Observing System (AMOS) at Haneda Airport

「はやぶさ」を載せて飛び立つM-Vロケット5号機

“Hayabusa” was launched aboard the M-V-5 Launch Vehicle.
©JAXA

2005
“Early Warning Seismometer”

The Early Warning Seismometer, developed jointly by Railway Technical Research Institute and Japan Meteorological Agency, is equipped with an early earthquake parameter estimation. The “Earthquake Early Warning System”, which uses a seismometer to stop a train before it shakes, contributes to the safety of railway operations. Its advanced technology has been adopted by JR companies and the Japan Meteorological Agency.

2007
Technical contribution to Selenological and Engineering Explorer “KAGUYA”

Of the 15 observation missions of KAGUYA, Meisei took charge of 8 mission. In 2008, a Hi-Vision camera of Meisei successfully shot “Full Earth from the Moon.”

2010年代

2012
CubeSat “WE WISH”

“WE WISH”, Meisei’s first ever CubeSat, was released into space from the international space station on October 4. It subsequently orbited the Earth successfully and was in operation for longer than had been originally planned – a total of 158 days.

超小型衛星「WE WISH」

“WE WISH”

2014
Release of the world’s smallest and lightest iMS-100

Compared to conventional radiosonde devices, this global strategic product is a huge improvement in terms of miniaturization, lightness, safety, running cost and environmental load. A new type of sensor gives dramatically improved accuracy of observation.

超小型衛星「WE WISH」

“WE WISH”

「POTEKA」

“POTEKA®”

2014
“Hayabusa2” was equipped with Near Infrared Spectrometer (NIRS3), and The Deployable Camera (DCAM3).

“Hayabusa2″ was equipped with NIRS3 and DCAM3, NIRS3 find ubiquitous hydrated minerals on the surface by catch the reflected infrared, DCAM3 (Digital system) capture an image of Small Carry-on Impactor (SCI).”Hayabusa2” is going to return to Earth in 2020.

2015
POTEKA® information delivery service launched

The Japan Meteorological Agency approved POTEKA® launched its information delivery service. A range of benefits from the service are anticipated, such as countermeasures to regional climatic disasters.

「POTEKA」

“POTEKA®”

2019
The RS-11G GRUAN Data Product has been certified by GRUAN.

The certification for GPS Radiosonde RS-11G and its data processing (GRUAN Data Product) issued in GRUAN annual meeting ICM-11.
GRUAN: An international organization that facilitates the construction of highly accurate and sophisticated meteorological observation networks for monitoring climate change.

GRUAN
1938 Incorporated with capital of 300,000 yen in Shimomaruko, Kamata-ku, Tokyo
1939 Meisei developed its first radiosonde.
1945 Lost the plant due to the fire caused by the air raid. Relocated the head office and plant to Isesaki, Gunma.
1946 Relocated the head office to Omori, Ota-ku,Tokyo.
1948 Code sending type radiosondes delivered to the Central Meteorological Observatory Research Division
1952 Robot weather observing machines delivered to the Central Meteorological Observatory Research Division
1953 Designated common battery switchboard manufacturer by the Nippon Telegraph and Telephone Public Corporation (present NTT)
1955 Rocket telemeters delivered to the Institute of Industrial Science, University of Tokyo
1956 Won AAA grades at the International Radiosonde Competition in Bayern, Switzerland
1957 Relocate the head office to Ginza, Tokyo.
1962 Stocks listed in the second section of the Tokyo Stock Exchange
1964 Moriya Plant completed
1965 Key telephone systems delivered to the Nippon Telegraph and Telephone Public Corporation
1966 Satellite tracking instrument delivered to the Department of Aeronautics and Astronautics, University of Tokyo
RC type PABX delivered to the Nippon Telegraph and Telephone Public Corporation
1967 Relocate the head office to Koishikawa, Bunkyo-ku, Tokyo.
1968 Isesaki Plant completed at Isesaki City, Gunma Prefecture
1969 Meisei’s product used by the 11th Antarctic exploration team Echosonde for vessels delivered to the Japan Meteorological Agency
1973 Telemeter systems for disaster prevention of coastal areas delivered to the Japan Meteorological Agency
1974 Polar satellite data receiving units delivered to the Japan Meteorological Agency AMeDAS (Automated Meteorological Data Acquisition System) delivered to the Japan Meteorological Agency and Nippon Telegraph and Telephone Public Corporation
1976 Wired robot meteorological observation systems delivered to the Japan Meteorological Agency
1978 Hydrographic and meteorological automatic observation units delivered to Chiba Prefecture
1979 No. 4 key telephone systems delivered to the Nippon Telegraph and Telephone Public Corporation.
1981 Seismic telemeters delivered to JICA (Japan International Cooperation Agency)
1982 VLBI delivered to the Geographical Survey Institute
1983 EP-I0 electronic switching systems delivered to the Nippon Telegraph and Telephone Public Corporation.
1985 The Business Phone E Super Series (EK) was delivered to NTT (the former Nippon Telegraph and Telephone Corporation)
1986 Seismic telemeters installed on Izu Oshima Island
1987 Aeronautical meteorological observation equipment system delivered to Turkish Republic.
1988 Seismic observation units delivered to Haneda Airport (Tokyo International Airport)
1990 Water supply monitoring system delivered to the Waterworks Bureau of Naha City, Okinawa Prefecture
1991 Seismic intensity meters delivered to the Japan Meteorological Agency and NHK AMeDAS installed throughout Japan
1992 Meisei Engineering Co., Ltd. (affiliate company) established (presently, Meisei Management Service Co., Ltd.)
Participated in ISY (International Space Year).
1994 Tidal wave and seismic observation units delivered to the Japan Meteorological Agency Received ISO9001 certification
1995 JMA-95 type ground meteorological observation units delivered to the Japan Meteorological Agency
1996 Seismic intensity meters capable of measuring seismic intensity of up to 7 on the Japanese scale delivered to the Japan Meteorological Agency
1999 Quantitative tidal wave information processing systems delivered to the Japan Meteorological Agency
2000 AMOS delivered to the Japan Meteorological Agency
2001 Received ISO14001 certification
2002 Mission demonstration test satellite MDS-1 ‘Sakigake’ was successfully launched carrying Meisei’s space environment observation unit μ-LabSat No.1 was successfully launched carrying Meisei’s wireless transmission unit (satellite bus system)
2003 Seismic observation instruments with Nowcast function delivered to JMA.
2004 Released Earthquake information system
2005 Moriya plant integrated into Isesaki plant
2006 ARS(Auto Radiosonde System) delivered to Japan Meteorological Agency
2007 JMA Emergency earthquake bulletin receiving unit QCAST series S740 released
Lunar explorer “KAGUYA” was successfully launched
2009 “Space Environment Data Acquisition equipment – Attached Payload” and “Monitor of All-sky X-ray Image”are installed onboard the International Space Station (ISS)
2010 Hayabusa returned: X-ray Spectrometer onboard played important role successfully
2012 Technology alliance with the South West Research Institute (SwRI) of USA
Business alliance with IHI Corporation, and became a member of the IHI Group
Cubesat “WE WISH” released successfully into space from the ISS
2013 Cubesat “WE WISH” entered atmosphere completing its mission successfully and satisfactory
Epsilon-1launched successfully. Hot Gas Valve Motor Controller was onboard the Epsillon-1.
Headquarter was moved to Isesaki-shi, Gunma Prefecture.
Relocation of Tokyo branch offices to Toyosu IHI Building, Toyosu, Koto-ku, Tokyo
2014 World smallest and lightest radiosonde “iMS-100″released for the market
Deployable Camera and Near Infrared Spectrometer installed aboard the Asteroid Explorer “Hayabusa 2”
2015 Started POTEKA weather information service.
2016 Equipped “Arase” Geospace Probe with 7 instruments of observation system.
2019 Radiosonde (RS-11G) was certified by GRUAN (an international organization that promotes the establishment of Upper-air observation networks for climate change monitoring).
2020 The world’s first successful WLAN transmission between two spacecraft (Wireless LAN Demonstration: WLD) : MEISEI’s contribution to the development.
2021 IHI corporation became wholly-owning parent Company