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Masateru Niyada
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Adaptor, assembly of battery pack and adaptor, and electric tool wi...
Patent number
9,065,155
Issue date
Jun 23, 2015
Hitachi Koki Co., Ltd.
Nobuhiro Takano
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Adapter for a power tool battery pack
Patent number
8,354,183
Issue date
Jan 15, 2013
Hitachi Koki Co., Ltd.
Yuuichi Konuma
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Adaptor, assembly of battery pack and adaptor, and electric tool wi...
Patent number
8,237,404
Issue date
Aug 7, 2012
Hitachi Koki Co., Ltd.
Nobuhiro Takano
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Screwdriver
Patent number
6,668,690
Issue date
Dec 30, 2003
Hitachi Koki Co., Ltd.
Noriaki Kikuchi
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Device for preventing an electrical equipment from re-powering afte...
Patent number
5,723,914
Issue date
Mar 3, 1998
Hitachi Koki Co., Ltd.
Eiji Nakayama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Dual-motor-driven drilling machine and method of controlling curren...
Patent number
5,558,476
Issue date
Sep 24, 1996
Hitachi Koki Co., Ltd.
Toshiaki Uchida
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Quick-return motion mechanism of automatic magnetic drilling machine
Patent number
5,129,868
Issue date
Jul 14, 1992
Hitachi Koki Company Limited
Junichi Sudo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Drilling machine
Patent number
4,831,364
Issue date
May 16, 1989
Hitachi Koki Company, Limited
Shigeru Shinohara
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
ADAPTOR, ASSEMBLY OF BATTERY PACK AND ADAPTOR, AND ELECTRIC TOOL WI...
Publication number
20120262035
Publication date
Oct 18, 2012
Hitachi Koki Co., Ltd.
Nobuhiro TAKANO
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Adapter for a Power Tool Battery Pack
Publication number
20100062326
Publication date
Mar 11, 2010
Yuuichi Konuma
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
ADAPTOR, ASSEMBLY OF BATTERY PACK AND ADAPTOR, AND ELECTRIC TOOL WI...
Publication number
20090108806
Publication date
Apr 30, 2009
Nobuhiro Takano
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Screwdriver
Publication number
20020178877
Publication date
Dec 5, 2002
HITACHI KOKI CO., LTD.
Noriaki Kikuchi
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS