For the Inventor, By the Inventor

Enter assignee name

Yamagata, Japan

Tpr Industry Co., Ltd.

USPTO Granted Patents = 16

EPO Patents = 15

Forward Citations = 8

Loading Chart...

Loading Chart...

30 inventors (with patents filed for the assignee):

Akira Sato (7 out of 13 patents)

Koichi Hatakeyama (5 out of 7 patents)

Hideki Aizawa (3 out of 3 patents)

4. Takashi Sato (2 out of 12 patents)

5. Takashi Oizumi (2 out of 3 patents)

6. Akira Sayama (2 out of 2 patents)

7. Masami Horigome (2 out of 9 patents)

8. Hidemi Kato (1 out of 11 patents)

9. Yugo Takano (1 out of 3 patents)

10. Koji Kamata (1 out of 3 patents)

11. Tomoki Takiguchi (1 out of 2 patents)

12. Mako Abe (1 out of 2 patents)

13. Seiji Tamaki (1 out of 4 patents)

14. Takeshi Wada (1 out of 65 patents)

15. Akira Hikone (1 out of 7 patents)

16 patents: Sort by Forward Citations

1. 12485476 - Casting system (2025-12-02),

2. 12397343 - Mold cooling device, cast manufacturing system, and cast manufacturing method (2025-08-26),

3. 12305590 - Spiny liner and manufacturing method of same, and method of determining bonding strength (2025-05-20),

4. 12121958 - Centrifugal casting mold and centrifugal casting mold assembly device (2024-10-22),

5. 12116951 - Cylinder liner and cylinder bore (2024-10-15),

6. 11499498 - Cylinder liner and manufacturing method for same (2022-11-15),

7. 11047333 - Cylinder liner, block manufacturing method and cylinder liner manufacturing method (2021-06-29),

8. 10907570 - Cylindrical member (2021-02-02),

9. 10876494 - Cylinder liner, block manufacturing method and cylinder liner manufacturing method (2020-12-29),

10. 10837399 - Method of manufacturing internal combustion engine, internal combustion engine, and connected cylinder (2020-11-17),

11. 10596624 - Cast-iron cylindrical member and composite structure (2020-03-24),

12. 10428407 - Cylindrical member made of flake graphite cast iron (2019-10-01),

13. 10403900 - Method for producing porous graphite, and porous graphite (2019-09-03),

14. 9089893 - Cylinder liner for insert casting use (2015-07-28),

15. 8905202 - Brake drum (2014-12-09),

TPR Industry Co., Ltd. is a leading manufacturer and supplier of high-quality industrial products. With a strong focus on customer satisfaction and product innovation, we offer a wide range of solutions for various industries. Our extensive product portfolio includes rubber seals, gaskets, hoses, molded products, conveyor belts, and more. TPR Industry Co., Ltd. is committed to delivering reliable and durable products that meet international standards and exceed customer expectations. Visit our website to explore our products and learn more about our company.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

16 Patents

#5 in Yamagata

#3,266 in Japan

#36,676 in the World

Yamagata, Japan

Tpr Industry Co., Ltd.

Forward Citations = 8

30 inventors:

Akira Sato (7 out of 13 patents)

Koichi Hatakeyama (5 out of 7 patents)

Hideki Aizawa (3 out of 3 patents)

4. Takashi Sato (2 out of 12 patents)

5. Takashi Oizumi (2 out of 3 patents)

Please report any incorrect information to support@idiyas.com

Loading…