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National Space Development Agency of Japan

USPTO Granted Patents = 38

EPO Patents = 1

Trademarks = 1

Forward Citations = 435

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75 inventors (with patents filed for the assignee):

Toshihiro Sezai (18 out of 25 patents)

Eiso Yamaka (2 out of 2 patents)

Takashi Moriyama (2 out of 2 patents)

4. Tamisuke Koizumi (2 out of 2 patents)

5. Takashi Kobayashi (1 out of 31 patents)

6. Takeshi Masuda (1 out of 50 patents)

7. Minoru Fukuda (1 out of 34 patents)

8. Toshiaki Sato (1 out of 42 patents)

9. Yoshio Tange (1 out of 6 patents)

10. Satoshi Kuboyama (1 out of 8 patents)

11. Teruo Fujiwara (1 out of 15 patents)

12. Shoji Muramatsu (1 out of 73 patents)

13. Kenji Itoga (1 out of 11 patents)

14. Isao Nakatani (1 out of 12 patents)

15. Yuji Osawa (1 out of 2 patents)

38 patents: Sort by Forward Citations

1. 7748164 - Micro gravity environmental control apparatus and micro gravity environmental control method (2010-07-06),

2. 6885063 - Semiconductor device having an SEB voltage suitable for use in space (2005-04-26),

3. 6615609 - Accumulator (2003-09-09),

4. 6392594 - Radio wave receiving apparatus having an improved antenna resolution (2002-05-21),

5. 6259397 - Radio wave source information display apparatus (2001-07-10),

6. 6163293 - Radio wave receiving apparatus having an improved antenna resolution (2000-12-19),

7. 6133997 - System for spotting moving objects based on a plurality of artificial (2000-10-17),

8. 6082677 - Satellite orbiting toward west in the equatorial plane and (2000-07-04),

9. 5852420 - Antenna device (1998-12-22),

10. 5548290 - Method of designing transmission power in synthetic aperture radar (1996-08-20),

11. 5512899 - Method of evaluating the image quality of a synthetic aperture radar (1996-04-30),

12. 5485162 - Method of performing beam compression process on antenna pattern of radar (1996-01-16),

13. 5476063 - Method of production of single crystal (1995-12-19),

14. 5448247 - Beam compression method for radar antenna patterns (1995-09-05),

15. 5432519 - Method of performing beam compression process on antenna pattern of radar (1995-07-11),

The National Space Development Agency of Japan (NASDA) is the predecessor of the Japan Aerospace Exploration Agency (JAXA). It was established in 1969 as a government agency aiming to promote space development and utilization in Japan. NASDA played a major role in Japan's space projects, including satellite developments and launch operations. With its wide range of expertise and contributions, NASDA was incorporated into JAXA in 2003 to further advance Japan's space exploration endeavors.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

38 Patents

#70 in

#1,982 in Japan

#17,311 in the World

National Space Development Agency of Japan

Forward Citations = 435

75 inventors:

Toshihiro Sezai (18 out of 25 patents)

Eiso Yamaka (2 out of 2 patents)

Takashi Moriyama (2 out of 2 patents)

4. Tamisuke Koizumi (2 out of 2 patents)

5. Takashi Kobayashi (1 out of 31 patents)

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