Hirokazu Shirai

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Takasago-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Shaft sealing mechanism
- Patent number 8,025,296
- Issue date Sep 27, 2011
- Mitsubishi Heavy Industries, Ltd.
- Hidekazu Uehara
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Shaft seal mechanism
- Patent number 7,364,165
- Issue date Apr 29, 2008
- Mitsubishi Heavy Industries, Ltd.
- Takashi Nakano
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Shaft seal mechanism, shaft seal mechanism assembling structure and...
- Patent number 7,226,053
- Issue date Jun 5, 2007
- Mitsubishi Heavy Industries, Ltd.
- Takashi Nakano
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Shaft sealing mechanism
- Publication number 20070102886
- Publication date May 10, 2007
- Hidekazu Uehara
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Shaft seal mechanism, shaft seal mechanism assembling structure and...
- Publication number 20050012275
- Publication date Jan 20, 2005
- Takashi Nakano
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Shaft seal mechanism
- Publication number 20040256810
- Publication date Dec 23, 2004
- Takashi Nakano
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...