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Nippon Kinzoku Co., Ltd.

USPTO Granted Patents = 21

Forward Citations = 151

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66 inventors (with patents filed for the assignee):

Akihiko Kasahara (5 out of 8 patents)

Mikio Yamanaka (5 out of 22 patents)

Keiichi Ohmura (5 out of 9 patents)

4. Toshiyuki Yashiro (5 out of 5 patents)

5. Toshihiro Takada (4 out of 21 patents)

6. Shinichi Matsumoto (4 out of 57 patents)

7. Shinji Shibata (4 out of 5 patents)

8. Hikaru Aoyagi (3 out of 5 patents)

9. Yoshio Nishizawa (3 out of 3 patents)

10. Toshihiko Tsuji (3 out of 3 patents)

11. Yasumasa Sano (2 out of 6 patents)

12. Kazumi Tanaka (2 out of 2 patents)

13. Tadayoshi Nakamura (2 out of 2 patents)

14. Yutaka Sadano (2 out of 7 patents)

15. Takashi Tanaka (2 out of 5 patents)

21 patents: Sort by Forward Citations

1. 6444056 - Refined magnesium material and method for producing the same (2002-09-03),

2. 5613999 - Method for producing magnesium (1997-03-25),

3. 5403558 - Heat and fatigue resistant metallic carrier for automobile exhaust (1995-04-04),

4. 5082167 - Method of soldering honeycomb body (1992-01-21),

5. 5045404 - Heat-resistant stainless steel foil for catalyst-carrier of combustion (1991-09-03),

6. 4918042 - Exhaust gas purifying catalyst (1990-04-17),

7. 4870046 - Rolled high aluminum stainless steel foil for use as a substrate for a (1989-09-26),

8. 4867811 - Processes for production of metallic catalyst-carrier and catalytic (1989-09-19),

9. 4752599 - Method for producing a base of a catalyst carrier for automobile exhaust (1988-06-21),

10. 4647305 - Process for manufacturing amorphous alloy powders (1987-03-03),

11. 4555832 - Buckle assembly (1985-12-03),

12. 4520538 - Buckle assembly (1985-06-04),

13. 4450604 - Buckle for seat belt (1984-05-29),

14. 4427499 - Process for surface treatment of stainless steel sheet (1984-01-24),

15. 4370210 - Method and apparatus for continuously forming color display layer on (1983-01-25),

Nippon Kinzoku Co., Ltd. is a leading Japanese metal fabrication company with over 50 years of experience. We specialize in the manufacturing and distribution of high-quality metal products for various industries, including automotive, construction, and electronics. Our commitment to excellence and innovation has made us a trusted partner for businesses seeking top-notch metal solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

21 Patents

#1,137 in Tokyo

#2,801 in Japan

#29,088 in the World

Nippon Kinzoku Co., Ltd.

Forward Citations = 151

66 inventors:

Akihiko Kasahara (5 out of 8 patents)

Mikio Yamanaka (5 out of 22 patents)

Keiichi Ohmura (5 out of 9 patents)

4. Toshiyuki Yashiro (5 out of 5 patents)

5. Toshihiro Takada (4 out of 21 patents)

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