Kazuo Shimizu

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Patents Grantslast 30 patents

Information Patent Grant
Nitride-plated piston ring for internal combustion engines
- Patent number 6,631,907
- Issue date Oct 14, 2003
- Nippon Piston Ring Co., Ltd.
- Motonobu Onoda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Chrome-plated sliding member and manufacturing method thereof
- Patent number 6,596,410
- Issue date Jul 22, 2003
- Nippon Piston Ring Co., Ltd.
- Kazuo Shimizu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Laminated chromium plating layers having superior wear resistance a...
- Patent number 6,296,951
- Issue date Oct 2, 2001
- Nippon Piston Ring Co., Ltd.
- Yukio Tateishi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of making a magnetic material in the form of a multilayer fi...
- Patent number 5,552,030
- Issue date Sep 3, 1996
- Nippon Piston Ring Co., Ltd.
- Kazuo Shimizu
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR