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Japan's first satellite, Ohsumi, was successfully launched in 1970. NEC promoted the development of the satellite as a leader of the development team. Since then, NEC has led numerous satellite development projects and is developing a number of satellites - 61 in total (as of 2007) - including communications, broadcast, weather, Earth observation, astronomical and scientific observation, and engineering test satellites.
NEC’s share of the domestic satellite market is over 60 percent.
| Types | Engineering Test Satellite | Communications / Broadcast Satellite | Earth Observation Satellite | Scientific Satellite | |
| Launch | 1970s |  Ohsumi ('70)Tansei ('71)Tansei-2 ('74)Kiku-1 ('75)Tansei-3 ('77) |
Yuri ('78) * |
Himawari ('77) |
Shinsei ('71)Denpa ('72)Taiyou ('75)Kyokko ('78)Zikiken ('78)Hakucho ('79) |
|---|---|---|---|---|---|
| 1980s | Tansei-4 ('80)Kiku-4 ('82) *Sakigake ('85) |
Yuri-2a ('84) * Yuri-2b ('86) * |
Himawari-2 ('81)Himawari-3 ('84)Momo-1 ('87)Himawari-4 ('89) |
Hinotori ('81)Tenma ('83)Ohzara ('84)Suisei ('85)Ginga ('87)Akebono ('89) |
|
| 1990s | Kiku-6 ('94) * Kiku-7 ('97) * |
Yuri-3a ('90)Yuri-3b ('91)Kakehashi ('98) |
Momo-1b ('90)Himawari-5 ('95) |
Hiten ('90)Yohkoh ('91)Geotail ('92)Asca ('93)Halca ('97)Nozomi ('98) |
|
| 2000s | Tsubasa ('02) |
Kirari ('05)Kizuna('08) |
Daichi ('06) |
Hayabusa ('03)Suzaku ('05)Akari ('06)Kaguya ('07) |
|
| Planned launch |
GCOM-W1GCOM-C1 |
ASTRO-GPLANET-CMMO
|
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The projects marked * were led by Space Systems Division of Toshiba Corporation, one of the predecessors of NEC TOSHIBA Space Systems Co., Ltd.,
