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Tachikawa Corporation

USPTO Granted Patents = 21

% Expired Patents = 33.3

CIPO Patents = 3

EPO Patents = 12

Trademarks = 2

Forward Citations = 304

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41 inventors (with patents filed for the assignee):

Hajime Nakamura (3 out of 55 patents)

Kazuto Yamagishi (3 out of 3 patents)

Takenobu Ebato (3 out of 3 patents)

4. Takatoshi Uematsu (2 out of 2 patents)

5. Masaya Yamaguchi (2 out of 11 patents)

6. Yoshihiro Takayama (2 out of 8 patents)

7. Yoshiyuki Hadano (2 out of 2 patents)

8. Tadashi Okamura (2 out of 2 patents)

9. Eiji Kawai (2 out of 29 patents)

10. Seiya Abo (2 out of 2 patents)

11. Kazuo Tsuchida (2 out of 2 patents)

12. Koui Tachikawa (2 out of 2 patents)

13. Nobutoshi Orita (1 out of 7 patents)

14. Daisuke Takahashi (1 out of 11 patents)

15. Eiji Kaneko (1 out of 25 patents)

21 patents: Sort by Forward Citations

1. 11168518 - Braking device, and shielding device using same (2021-11-09),

2. 10294719 - Shielding apparatus (2019-05-21),

3. 10190364 - Horizontal blind and method for manufacturing horizontal blind (2019-01-29),

4. 9820601 - Solar shading device (2017-11-21),

5. D802333 - Venetian blind (2017-11-14),

6. D780482 - Blind slat (2017-03-07),

7. D759399 - Pleated curtain (2016-06-21),

8. 9151109 - Operation apparatus of sunlight shielding apparatus, lifting apparatus of roll-up blind and operation pulley (2015-10-06),

9. 8898871 - Operation cord, and operation apparatus for sunlight shielding apparatus (2014-12-02),

10. 8720523 - Shielding apparatus and clutch used for the same (2014-05-13),

11. 7654300 - Obstacle detection stopping device of solar radiation shielding apparatus (2010-02-02),

12. 5186426 - Rail attachment structure (1993-02-16),

13. 5167269 - Roller mechanism for roller blinds (1992-12-01),

14. 5103888 - Blind slats lifting device (1992-04-14),

15. 4978181 - Sunshade (1990-12-18),

Tachikawa Corporation, headquartered in Tokyo, specializes in the development and manufacturing of precision components and systems for various industries. The company focuses on advanced technologies in areas such as automotive engineering, electronics, and industrial machinery. With a commitment to innovation, Tachikawa aims to enhance product performance and reliability, catering to both domestic and international markets. Their expertise in precision engineering positions them as a key player in the evolving landscape of technology-driven solutions.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Tachikawa Corporation

21 Patents

#1,308 in Tokyo

#2,858 in Japan

#29,893 in the World

Tachikawa Corporation

Forward Citations = 304

41 inventors:

Hajime Nakamura (3 out of 55 patents)

Kazuto Yamagishi (3 out of 3 patents)

Takenobu Ebato (3 out of 3 patents)

4. Takatoshi Uematsu (2 out of 2 patents)

5. Masaya Yamaguchi (2 out of 11 patents)

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