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Topy Industries, Limited

USPTO Granted Patents = 11

% Expired Patents = 27.3

CIPO Patents = 1

EPO Patents = 1

Forward Citations = 52

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30 inventors (with patents filed for the assignee):

Shigeru Osawa (2 out of 58 patents)

Katsumi Tashiro (2 out of 4 patents)

Hirohumi Kikuchi (2 out of 4 patents)

4. Akitsugu Ando (2 out of 4 patents)

5. Koji Murakami (1 out of 20 patents)

6. Masahiro Nakajima (1 out of 67 patents)

7. Junya Uemura (1 out of 1 patent)

8. Toru Shimizu (1 out of 13 patents)

9. Tatsuya Oguri (1 out of 1 patent)

10. Masafumi Maeda (1 out of 1 patent)

11. Masayoshi Kaneko (1 out of 6 patents)

12. Katsuki Ogawa (1 out of 13 patents)

13. Masaki Shiraishi (1 out of 25 patents)

14. Tadashi Imamura (1 out of 4 patents)

15. Kenji Maki (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 9259963 - Method for coating aluminum wheel, and aluminum wheel (2016-02-16),

2. 7669623 - Elastic wheel and method of manufacturing the same (2010-03-02),

3. 7044179 - Elastic wheel (2006-05-16),

4. 6981535 - Elastic wheel (2006-01-03),

5. 5741355 - Pearlescent pigment, and paint composition, cosmetic material, ink and (1998-04-21),

6. 5561980 - Tandem master cylinder (1996-10-08),

7. 5452608 - Pressure and temperature monitoring vehicle tire probe with rim anchor (1995-09-26),

8. 5320674 - Ultraviolet ray screening agent (1994-06-14),

9. 5049207 - Heat treatment process for bushing used in track of endless track tractor (1991-09-17),

10. 4554961 - Wheel rim with split locking ring (1985-11-26),

11. 4530387 - Spider hub and a wheel rim assembly (1985-07-23),

Topy Industries, Limited is a Japanese company that specializes in manufacturing a wide range of products including wheels for automobiles and construction machinery, road wheels, industrial machinery, and environmental equipment. With a focus on quality and innovation, Topy Industries has established itself as a leader in the industry and continues to create cutting-edge solutions for their customers.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

11 Patents

#1,802 in Tokyo

#4,131 in Japan

#51,671 in the World

Topy Industries, Limited

Forward Citations = 52

30 inventors:

Shigeru Osawa (2 out of 58 patents)

Katsumi Tashiro (2 out of 4 patents)

Hirohumi Kikuchi (2 out of 4 patents)

4. Akitsugu Ando (2 out of 4 patents)

5. Koji Murakami (1 out of 20 patents)

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