Shinya Okumura

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Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric work vehicle
- Patent number 9,004,217
- Issue date Apr 14, 2015
- Hitachi Construction Machinery Co., Ltd.
- Shinya Okumura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hybrid construction machine
- Patent number 8,950,180
- Issue date Feb 10, 2015
- Hitachi Construction Machinery Co., Ltd.
- Takatoshi Ooki
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Cooling structure for construction machine
- Patent number 8,540,042
- Issue date Sep 24, 2013
- Hitachi Construction Machinery Co., Ltd.
- Takayuki Atarashi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Laser processing apparatus, laser processing method and dam bar pro...
- Patent number 5,763,853
- Issue date Jun 9, 1998
- Hitachi Construction Machinery Co., Ltd.
- Yoshiaki Shimomura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dam bar cutting apparatus and dam bar cutting method
- Patent number 5,662,822
- Issue date Sep 2, 1997
- Hitachi Construction Machinery Co., Ltd.
- Nobuhiko Tada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lead frame processing method
- Patent number 5,548,890
- Issue date Aug 27, 1996
- Hitachi Construction Machinery Co., Ltd.
- Nobuhiko Tada
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Electric Motor
- Publication number 20140300225
- Publication date Oct 9, 2014
- HITACHI CONSTRUCTION MACHINERY CO., LTD.
- Shinya Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Electric Work Vehicle
- Publication number 20130108404
- Publication date May 2, 2013
- Hitachi Construction Machinery Co., Ltd.
- Shinya Okumura
- B60 - VEHICLES IN GENERAL
Information Patent Application
COOLING STRUCTURE FOR CONSTRUCTION MACHINE
- Publication number 20120285757
- Publication date Nov 15, 2012
- Takayuki Atarashi
- B60 - VEHICLES IN GENERAL
Information Patent Application
HYBRID CONSTRUCTION MACHINE
- Publication number 20120240581
- Publication date Sep 27, 2012
- Hitachi Construction Machinery Co., Ltd.
- Takatoshi OOKI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING