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Forward Citations = 34

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17 inventors (with patents filed for the assignee):

Tadataka Kaneko (2 out of 5 patents)

Takehiko Esumi (2 out of 2 patents)

Satoru Nakano (1 out of 4 patents)

4. Hiroyuki Okazaki (1 out of 35 patents)

5. Koji Shimoda (1 out of 5 patents)

6. Haruo Kamiya (1 out of 5 patents)

7. Setsuto Daiza (1 out of 5 patents)

8. Yoshitaka Tomiyama (1 out of 3 patents)

9. Chiaki Shiokawa (1 out of 1 patent)

10. Hitoshi Yamamoto (1 out of 1 patent)

11. Katsuji Tokukura (1 out of 1 patent)

12. Kenji Ushitani (1 out of 1 patent)

13. Teikou Oobucht (1 out of 1 patent)

14. Seishu Mitani (1 out of 3 patents)

15. Shuichi Saido (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5964334 - Wet friction contact device (1999-10-12),

2. 5808214 - Powder-produced material having wear-resistance (1998-09-15),

3. 5762400 - Seat reclining mechanism (1998-06-09),

4. 5679909 - Sintered material having good machinability and process for producing (1997-10-21),

5. 5344118 - Solenoid valve (1994-09-06),

6. 4086390 - Flywheel for recording and or reproducing apparatus (1978-04-25),

Japan Powder Metallurgy Co. Ltd. is a leading manufacturer of powder metallurgy products in Japan. With over 50 years of experience in the industry, we specialize in the production of high-quality powdered metal components for various applications including automotive, industrial machinery, and consumer electronics. Our advanced technology and state-of-the-art facilities ensure the highest level of precision and quality in our products.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

6 Patents

#2,212 in Tokyo

#5,843 in Japan

Tokyo, Japan

Japan Powder Metallurgy Co. Ltd.