Kazuo Iwata

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Valve spring device and valve train of engine using the same
- Patent number 8,312,853
- Issue date Nov 20, 2012
- NHK Spring Co., Ltd.
- Kazuo Iwata
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Damper spring device, flywheel, clutch disk, and clutch disk for lo...
- Patent number 8,266,983
- Issue date Sep 18, 2012
- NHK Spring Co., Ltd.
- Mitsutoshi Kaneyasu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve spring device and valve train of internal combustion engine u...
- Patent number 8,025,039
- Issue date Sep 27, 2011
- NHK Spring Co., Ltd.
- Kazuo Iwata
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Spring apparatus and valve train of internal combustion engine usin...
- Patent number 7,458,356
- Issue date Dec 2, 2008
- NHK Spring Co., Ltd.
- Kazuo Iwata
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
DAMPER SPRING DEVICE, FLYWHEEL, CLUTCH DISK, AND CLUTCH DISK FOR LO...
- Publication number 20110132137
- Publication date Jun 9, 2011
- NHK Spring Co., Ltd.
- Mitsutoshi Kaneyasu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVE SPRING DEVICE AND VALVE TRAIN OF ENGINE USING THE SAME
- Publication number 20100139596
- Publication date Jun 10, 2010
- NHK Spring Co., Ltd.
- Kazuo Iwata
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
VALVE SPRING DEVICE AND VALVE TRAIN OF INTERNAL COMBUSTION ENGINE...
- Publication number 20090293827
- Publication date Dec 3, 2009
- NHK Spring Co., Ltd.
- Kazuo IWATA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Spring apparatus and valve train of internal combustion engine usin...
- Publication number 20070193547
- Publication date Aug 23, 2007
- NHK Spring Co., Ltd.
- Kazuo Iwata
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Recording medium and image-forming method employing the same
- Publication number 20020008750
- Publication date Jan 24, 2002
- Kenichi Moriya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS