Megumi ISHIKAWA

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Hitachinaka, 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
Agricultural machine driving apparatus
- Patent number D740088
- Issue date Oct 6, 2015
- Hitachi Koki Co., Ltd.
- Megumi Ishikawa
- D08 - Tools and hardware

Patents Applicationslast 30 patents

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
POWER TOOL
- Publication number 20140014385
- Publication date Jan 16, 2014
- HITACHI KOKI CO., LTD.
- Shingo KOSUGI
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS