For the Inventor, By the Inventor

Enter assignee name

Diamet Corporation

USPTO Granted Patents = 50

CIPO Patents = 1

EPO Patents = 44

Trademarks = 1

Forward Citations = 36

Loading Chart...

Loading Chart...

33 inventors (with patents filed for the assignee):

Tsuneo Maruyama (25 out of 29 patents)

Yoshinari Ishii (19 out of 23 patents)

Teruo Shimizu (9 out of 11 patents)

4. Shinichi Takezoe (8 out of 8 patents)

5. Yoshiki Tamura (7 out of 7 patents)

6. Hideo Sakai (7 out of 7 patents)

7. Takashi Nakai (4 out of 6 patents)

8. Kinya Kawase (4 out of 9 patents)

9. Hajime Kouno (3 out of 3 patents)

10. Jyun Katou (3 out of 3 patents)

11. Yasuhiro Tsukada (3 out of 3 patents)

12. Gakuji Uozumi (3 out of 11 patents)

13. Ryoji Nakayama (3 out of 21 patents)

14. Muneaki Watanabe (3 out of 9 patents)

15. Tomoe Obata (2 out of 2 patents)

Core Competencies:

Sintered Bearings

Oil-Impregnated Bearings

Cu-Based Alloys

Powder Metallurgy

Heat-Resistant Materials

Electromagnetic Circuit Components

Corrosion Resistance

Wear Resistance

Molding Methods

Sliding Members

Composite Magnetic Materials

Rotating Body Manufacturing

50 patents: Sort by Forward Citations

1. 12359282 - Method for manufacturing Cu—Ni—Al-based sintered alloy (2025-07-15),

2. 12296390 - Insert bearing and manufacturing method thereof, sintered bearing suitable for insert bearing, sintered insert component and manufacturing method thereof, and sintered component suitable for sintered insert component (2025-05-13),

3. 12109745 - Insert sintered part and manufacturing method for same (2024-10-08),

4. 11999088 - Insert sintered part and manufacturing method for same (2024-06-04),

5. 11648611 - Sintered oil-impregnated bearing (2023-05-16),

6. 11578393 - Heat-resistant sintered material having excellent high-temperature wear resistance and salt damage resistance and method for producing same (2023-02-14),

7. 11498127 - Device and method for manufacturing multilayer molded article (2022-11-15),

8. 11446737 - Molding die and molding method (2022-09-20),

9. 11441608 - Sintered bearing for motor-type fuel pump and production method therefor (2022-09-13),

10. 11353063 - Sintered bearing (2022-06-07),

11. 11248654 - Oil impregnated sintered bearing and production method thereof (2022-02-15),

12. 11183321 - Powder magnetic core with silica-based insulating film, method of producing the same, and electromagnetic circuit component (2021-11-23),

13. 11073178 - Oil-impregnated sintered bearing and method for manufacturing the same (2021-07-27),

14. 10941465 - Cu-based sintered sliding material, and production method therefor (2021-03-09),

15. 10865828 - Oil-impregnated sintered bearing (2020-12-15),

Diamet Corporation is a leading manufacturer and supplier of high-quality industrial tools and equipment. With a history dating back to 1985, we have established ourselves as a trusted name in the industry, serving a wide range of sectors including automotive, aerospace, and manufacturing. Our diverse product portfolio includes cutting tools, tool holders, measuring instruments, and more. We pride ourselves on our commitment to innovation, excellence, and customer satisfaction. Through continuous research and development, we strive to provide our clients with cutting-edge solutions that meet their specific needs. Visit our website to explore our comprehensive range of 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

50 Patents

#5 in Niigata

#1,674 in Japan

#13,590 in the World

Diamet Corporation

Forward Citations = 36

33 inventors:

Tsuneo Maruyama (25 out of 29 patents)

Yoshinari Ishii (19 out of 23 patents)

Teruo Shimizu (9 out of 11 patents)

4. Shinichi Takezoe (8 out of 8 patents)

5. Yoshiki Tamura (7 out of 7 patents)

Please report any incorrect information to support@idiyas.com

Loading…