Hiroshi Haga

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Hitachinaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric tool
- Patent number 10,505,473
- Issue date Dec 10, 2019
- KOKI HOLDINGS CO., LTD.
- Nobuhiro Takano
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Power tool having circuit board
- Patent number 9,882,452
- Issue date Jan 30, 2018
- Hitachi Koki Co., Ltd.
- Hiroshi Haga
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Power tool having circuit board
- Patent number 8,928,261
- Issue date Jan 6, 2015
- Hitachi Koki Co., Ltd.
- Hiroshi Haga
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Reciprocating tool
- Patent number 8,261,854
- Issue date Sep 11, 2012
- Hitachi Koki Co., Ltd.
- Atsuyuki Kikuchi
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Hammer drill
- Patent number 6,644,418
- Issue date Nov 11, 2003
- Hitachi Koki Co., Ltd.
- Hiroshi Haga
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC TOOL
- Publication number 20170070168
- Publication date Mar 9, 2017
- Hitachi Koki Co., Ltd.
- Nobuhiro Takano
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
POWER TOOL HAVING CIRCUIT BOARD
- Publication number 20150015094
- Publication date Jan 15, 2015
- Hitachi Koki Co., Ltd.
- Hiroshi Haga
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Power Tool Having Circuit Board
- Publication number 20120014065
- Publication date Jan 19, 2012
- Hitachi Koki Co., Ltd
- Hiroshi Haga
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Reciprocating Tool
- Publication number 20100038105
- Publication date Feb 18, 2010
- Hitachi Koki Co., Ltd
- Atsuyuki Kikuchi
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Hammer drill
- Publication number 20030094292
- Publication date May 22, 2003
- Hitachi Koki Co., Ltd.
- Hiroshi Haga
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS