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Tsuchiya Mfg. Co., Ltd.

USPTO Granted Patents = 14

Forward Citations = 499

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40 inventors (with patents filed for the assignee):

Hiroyuki Yoshida (2 out of 4 patents)

Katsuji Furuya (2 out of 3 patents)

Seiichiro Hashimoto (2 out of 2 patents)

4. Kazuyoshi Tukamoto (2 out of 2 patents)

5. Tsutomu Araki (2 out of 2 patents)

6. Tamotsu Yagihashi (2 out of 2 patents)

7. Tadashi Ashida (1 out of 5 patents)

8. Akio Ogawa (1 out of 2 patents)

9. Kinya Omura (1 out of 2 patents)

10. Shigeo Tadokoro (1 out of 1 patent)

11. Joji Morioka (1 out of 1 patent)

12. Mitsuo Morizumi (1 out of 2 patents)

13. Sakae Yasuda (1 out of 1 patent)

14. Masaya Kodera (1 out of 1 patent)

15. Eriya Arita (1 out of 3 patents)

14 patents: Sort by Forward Citations

1. 5885454 - Separation module and bundle unit of hollow thread-type porous membrane (1999-03-23),

2. 5714030 - Plastisol type adhesive composition used in filter for (1998-02-03),

3. 5641344 - Fuel vapor treatment device (1997-06-24),

4. 5599384 - Fuel vapor treatment device (1997-02-04),

5. 5584997 - Separation module and bundle unit of hollow thread-type porous membrane (1996-12-17),

6. 5541374 - Resonator type silencer (1996-07-30),

7. 5349141 - Resonator type silencer having plural resonance chambers (1994-09-20),

8. 5323745 - Plastic rocker cover (1994-06-28),

9. 5283398 - Resonator type silencer (1994-02-01),

10. 5228420 - Valve rocker cover (1993-07-20),

11. 5075411 - Curable epoxy resin composition for structural parts containing (1991-12-24),

12. 4940500 - Filter medium forming system and process (1990-07-10),

13. 4926914 - Vent control valve attached to fuel filler tube (1990-05-22),

14. 4925561 - Composite planar and triangularly pleated filter element (1990-05-15),

Tsuchiya Mfg. Co., Ltd. is a leading manufacturer specializing in precision metal stamping, molding, and assembly services. With over 50 years of experience, we offer high-quality solutions for various industries, including automotive, electronics, and medical. Our commitment to innovation and customer satisfaction has earned us a reputation for excellence in the manufacturing industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

14 Patents

#1,395 in Tokyo

#3,483 in Japan

#40,857 in the World

Tsuchiya Mfg. Co., Ltd.

Forward Citations = 499

40 inventors:

Hiroyuki Yoshida (2 out of 4 patents)

Katsuji Furuya (2 out of 3 patents)

Seiichiro Hashimoto (2 out of 2 patents)

4. Kazuyoshi Tukamoto (2 out of 2 patents)

5. Tsutomu Araki (2 out of 2 patents)

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