Hirohisa Tomita

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric working machine and electric working machine system
- Patent number 9,876,201
- Issue date Jan 23, 2018
- Hitachi Koki Co., Ltd.
- Megumi Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric working machine
- Patent number 9,496,809
- Issue date Nov 15, 2016
- Hitachi Koki Co., Ltd.
- Yasushi Nakano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Agricultural machine driving apparatus
- Patent number D740088
- Issue date Oct 6, 2015
- Hitachi Koki Co., Ltd.
- Megumi Ishikawa
- D08 - Tools and hardware
Information Patent Grant
Disk motor and electric power tool
- Patent number 8,937,423
- Issue date Jan 20, 2015
- Hitachi Koki Co., Ltd.
- Hirohisa Tomita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC WORKING MACHINE
- Publication number 20160021819
- Publication date Jan 28, 2016
- Hitachi Koki Co., Ltd.
- Yasushi Nakano
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
ELECTRIC WORKING MACHINE
- Publication number 20140368133
- Publication date Dec 18, 2014
- Yasushi Nakano
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
ELECTRIC WORKING MACHINE AND ELECTRIC WORKING MACHINE SYSTEM
- Publication number 20140050963
- Publication date Feb 20, 2014
- Hitachi Koki Co., Ltd.
- Megumi Ishikawa
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
DISK MOTOR AND ELECTRIC POWER TOOL
- Publication number 20120274175
- Publication date Nov 1, 2012
- HITACHI KOKI CO., LTD.
- Hirohisa TOMITA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER