Tomotaka Kariya

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Saitama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Piston ring
- Patent number 8,240,676
- Issue date Aug 14, 2012
- Nippon Piston Ring Co., Ltd.
- Tomotaka Kariya
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Three-piece oil ring and combination of the three-piece oil ring an...
- Patent number 7,854,191
- Issue date Dec 21, 2010
- Nippon Piston Ring Co., Ltd.
- Tomotaka Kariya
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
PISTON RING
- Publication number 20090058014
- Publication date Mar 5, 2009
- Nippon Piston Ring Co., Ltd.
- Tomotaka Kariya
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
THREE-PIECE OIL RING AND COMBINATION OF THE THREE-PIECE OIL RING AN...
- Publication number 20090013866
- Publication date Jan 15, 2009
- NIPPON PISTON RING CO., LTD.
- Tomotaka Kariya
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...