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Chofu-shi, Japan

National Aerospace Laboratory of Japan

USPTO Granted Patents = 19

Forward Citations = 334

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51 inventors (with patents filed for the assignee):

Isao Yamaguchi (4 out of 20 patents)

Osamu Okamoto (4 out of 17 patents)

Seizo Suzuki (3 out of 93 patents)

4. Yoshio Saito (3 out of 16 patents)

5. Teruomi Nakaya (3 out of 18 patents)

6. Shigeru Hayashi (2 out of 29 patents)

7. Morio Shimizu (2 out of 2 patents)

8. Jyunichi Ueno (2 out of 2 patents)

9. Yasuoki Usui (2 out of 2 patents)

10. Hiroaki Nagano (2 out of 2 patents)

11. Katsuhiko Renbutsu (2 out of 2 patents)

12. Mitsuharu Izaki (2 out of 2 patents)

13. Heihachiro Kamimura (2 out of 3 patents)

14. Yukio Matsuda (2 out of 2 patents)

15. Nanahisa Sugiyama (2 out of 2 patents)

19 patents: Sort by Forward Citations

1. 7210897 - Actively-controlled sound absorption panel system using movement-controlled reflective plate (2007-05-01),

2. 7061692 - Ultra-lightweight electromagnetic wave concentrator and method for manufacture thereof (2006-06-13),

3. 6981364 - Combine engine for single-stage spacecraft (2006-01-03),

4. 6976401 - Offset rotary joint unit equipped with rotation correction mechanism (2005-12-20),

5. 6922610 - Robot having offset rotary joints (2005-07-26),

6. 6889495 - Gas turbine combustor (2005-05-10),

7. 6884021 - Single cascade multistage turbine (2005-04-26),

8. 6847326 - GPS device for measuring wave height and current direction and speed and GPS system for measuring wave height and current direction and speed (2005-01-25),

9. 6834495 - Multi-fan system separated core engine type turbofan engine (2004-12-28),

10. 6834493 - System for reducing pump cavitation (2004-12-28),

11. 6811271 - Electromagnetic wave focusing device (2004-11-02),

12. 6797390 - Functional polymer with supported pressure-sensitive luminophore, and pressure-sensitive paint and pressure-sensitive element using same (2004-09-28),

13. 6792746 - Separated core engine type turbofan engine (2004-09-21),

14. 6786430 - Liquid atomizing nozzle (2004-09-07),

15. 6772856 - Fine jet control-type sound absorption system (2004-08-10),

The National Aerospace Laboratory of Japan (NAL) is an independent administrative institution established to conduct comprehensive research and development in the field of aviation and space technology. NAL aims to contribute to the advancement of Japanese aerospace industries and the nation's technological capabilities. With a multidisciplinary approach, NAL conducts cutting-edge research, testing, and evaluation of aircraft, space vehicles, and related technologies. Their website provides detailed information about their research activities, facilities, and collaborations.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

19 Patents

#1 in Chofu-shi

#2,971 in Japan

#31,677 in the World

Chofu-shi, Japan

National Aerospace Laboratory of Japan

Forward Citations = 334

51 inventors:

Isao Yamaguchi (4 out of 20 patents)

Osamu Okamoto (4 out of 17 patents)

Seizo Suzuki (3 out of 93 patents)

4. Yoshio Saito (3 out of 16 patents)

5. Teruomi Nakaya (3 out of 18 patents)

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