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Tokyo R & D Co., Ltd.

USPTO Granted Patents = 28

CIPO Patents = 3

Trademarks = 3

Forward Citations = 738

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37 inventors (with patents filed for the assignee):

Masao Ono (9 out of 10 patents)

Minoru Kozaki (7 out of 21 patents)

Kunio Tabata (6 out of 90 patents)

4. Kunihiko Takagi (5 out of 59 patents)

5. Issei Yamakoshi (5 out of 13 patents)

6. Nobuhito Ohnuma (4 out of 5 patents)

7. Yoshikazu Koike (4 out of 26 patents)

8. Osamu Watanabe (3 out of 127 patents)

9. Takeshi Seto (3 out of 62 patents)

10. Takashi Aoki (3 out of 5 patents)

11. Akihito Uetake (3 out of 18 patents)

12. Nobuki Sasaki (3 out of 3 patents)

13. Atsushi Mizukoshi (3 out of 3 patents)

14. Takeo Sato (3 out of 3 patents)

15. Tamotsu Fukazawa (3 out of 4 patents)

28 patents: Sort by Forward Citations

1. 7151671 - Power supply (2006-12-19),

2. 7095146 - Motor having housing member (2006-08-22),

3. 6833784 - Electric vehicle (2004-12-21),

4. 6762572 - Electric machine, electric machine system (2004-07-13),

5. 6741065 - Electric device and method for charging and discharging battery unit of the same (2004-05-25),

6. 6704201 - Power feed and heat dissipating device for power semiconductor devices (2004-03-09),

7. 6700253 - Motor and production method of motor (2004-03-02),

8. 6624610 - Electric vehicle (2003-09-23),

9. 6613472 - Battery cooling structure (2003-09-02),

10. 6295487 - Hybrid vehicle and method of controlling the travel of the vehicle (2001-09-25),

11. 6258422 - Molding method for thermosetting resin based, rubber vulcanization type, fiber reinforced composite material, and thermosetting resin, based, rubber vulcanization type, fiber reinforced composite material (2001-07-10),

12. 6157149 - Kinetic energy regenerating device for an electric motor bicycle (2000-12-05),

13. 6107761 - Drive for electric vehicle and control method of the same (2000-08-22),

14. 6054818 - Electric motor vehicle (2000-04-25),

15. 6037726 - Electric motor vehicle (2000-03-14),

Tokyo R & D Co., Ltd. is a leading research and development company based in Tokyo, Japan. With a team of highly skilled professionals, the company focuses on innovation, technology, and solutions for various industries. Tokyo R & D Co., Ltd. offers cutting-edge research, product development, and consulting services to its clients. Their commitment to excellence and customer satisfaction has earned the company a strong reputation in the market.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

28 Patents

#972 in Tokyo

#2,359 in Japan

#22,547 in the World

Tokyo R & D Co., Ltd.

Forward Citations = 738

37 inventors:

Masao Ono (9 out of 10 patents)

Minoru Kozaki (7 out of 21 patents)

Kunio Tabata (6 out of 90 patents)

4. Kunihiko Takagi (5 out of 59 patents)

5. Issei Yamakoshi (5 out of 13 patents)

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