For the Inventor, By the Inventor

Enter assignee name

Kabushiki Kaisha Tsuchiya Seisakusho

USPTO Granted Patents = 12

Forward Citations = 299

Loading Chart...

Loading Chart...

30 inventors (with patents filed for the assignee):

Takeji Yogo (3 out of 3 patents)

Akitsuna Nakagaki (3 out of 3 patents)

Takayuki Ichihara (2 out of 20 patents)

4. Takeshi Mitomo (2 out of 2 patents)

5. Akio Miyazawa (2 out of 2 patents)

6. Takashi Yamagishi (1 out of 4 patents)

7. Teruo Takahashi (1 out of 21 patents)

8. Katsuji Furuya (1 out of 3 patents)

9. Eriya Arita (1 out of 3 patents)

10. Masuhito Iinuma (1 out of 1 patent)

11. Haruo Yokoo (1 out of 1 patent)

12. Yoshihiro Sakaki (1 out of 7 patents)

13. Shigeki Yamashita (1 out of 1 patent)

14. Shunji Abe (1 out of 1 patent)

15. Yukio Kashiwaba (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 4892136 - Heat exchanger (1990-01-09),

2. 4856487 - Gas flow rate control system for internal combustion engine (1989-08-15),

3. 4774000 - Submicron disc filters (1988-09-27),

4. 4742840 - Roll-over valve for motor vehicle (1988-05-10),

5. 4710297 - Fluid filter with pleated filter medium (1987-12-01),

6. 4708199 - Heat exchanger (1987-11-24),

7. 4669532 - Heat exchanger with temperature responsive bypass (1987-06-02),

8. 4653581 - Plate type heat exchanger (1987-03-31),

9. 4627406 - Oil separator for recycled blow-by gas (1986-12-09),

10. 4596141 - Electrically operated oil level gauge (1986-06-24),

11. 4579194 - Muffler with catalyst for internal combustion engine (1986-04-01),

12. 4088181 - Disc type matrix of rotary regenerative heat exchanger (1978-05-09),

Kabushiki Kaisha Tsuchiya Seisakusho is a Japanese company specializing in the manufacturing of high-quality industrial machinery. With a history dating back to 1944, the company has built a reputation for excellence in precision engineering and innovative technology. Tsuchiya Seisakusho is committed to providing reliable and efficient solutions for a wide range of industries, including automotive, electronics, and aerospace.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

12 Patents

#1,516 in Tokyo

#3,840 in Japan

#46,762 in the World

Kabushiki Kaisha Tsuchiya Seisakusho

Forward Citations = 299

30 inventors:

Takeji Yogo (3 out of 3 patents)

Akitsuna Nakagaki (3 out of 3 patents)

Takayuki Ichihara (2 out of 20 patents)

4. Takeshi Mitomo (2 out of 2 patents)

5. Akio Miyazawa (2 out of 2 patents)

Please report any incorrect information to support@idiyas.com

Loading…