Hiromi Ishikawa

Follow

Person

Saitama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Piston ring
- Patent number 8,181,968
- Issue date May 22, 2012
- Nippon Piston Ring Co., Ltd.
- Etuo Tamegai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Piston ring
- Patent number 8,088,496
- Issue date Jan 3, 2012
- Nippon Piston Co., Ltd
- Tomotaka Kariya
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Combination of a cylinder liner and a piston ring
- Patent number 7,493,882
- Issue date Feb 24, 2009
- Nippon Piston Ring Co., Ltd.
- Iwao Hiraishi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
PISTON RING
- Publication number 20090051122
- Publication date Feb 26, 2009
- Nippon Piston Ring Co., Ltd.
- Etuo TAMEGAI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
PISTON RING
- Publication number 20090051123
- Publication date Feb 26, 2009
- Nippon Piston Ring Co., Ltd.
- Tomotaka KARIYA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
COMBINATION OF A CYLINDER LINER AND A PISTON RING
- Publication number 20080053396
- Publication date Mar 6, 2008
- NIPPON PISTON RING CO., LTD.
- Iwao HIRAISHI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...