Toshiaki Imai

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Okaya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite chromium plating film and sliding member covered thereof
- Patent number 6,054,225
- Issue date Apr 25, 2000
- Teikoku Piston Ring Co., Ltd.
- Akira Harayama
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Composite chromium plating film and sliding member covered thereof
- Patent number 6,013,380
- Issue date Jan 11, 2000
- Teiko Piston Ring Co., Ltd.
- Akira Harayama
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Piston ring and cylinder liner combination
- Patent number 5,960,762
- Issue date Oct 5, 1999
- Teikoku Piston Ring Co., Ltd.
- Toshiaki Imai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...