Masayuki Ogura

Person

Hitachinaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Battery pack, electrical device using battery pack, and electrical...
- Patent number 11,824,169
- Issue date Nov 21, 2023
- KOKI HOLDINGS CO., LTD.
- Tomomasa Nishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery pack, and electric appliance using battery pack
- Patent number 11,757,293
- Issue date Sep 12, 2023
- KOKI HOLDINGS CO., LTD.
- Tomomasa Nishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery pack, electrical device using battery pack, and electrical...
- Patent number 11,205,820
- Issue date Dec 21, 2021
- KOKI HOLDINGS CO., LTD.
- Hiroyuki Hanawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Portable electric driver
- Patent number D761069
- Issue date Jul 12, 2016
- Hitachi Koki Co., Ltd.
- Yoshiki Aoki
- D08 - Tools and hardware
Information Patent Grant
Power supply device
- Patent number 9,345,156
- Issue date May 17, 2016
- Hitachi Koki Co., Ltd.
- Masayuki Ogura
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Portable electric driver
- Patent number D715617
- Issue date Oct 21, 2014
- Hitachi Koki Co., Ltd.
- Yoshiki Aoki
- D08 - Tools and hardware
Information Patent Grant
Power supply device
- Patent number D668608
- Issue date Oct 9, 2012
- Hitachi Koki Co., Ltd.
- Takafumi Itoh
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Power pack and cordless power tool having the same
- Patent number 7,969,116
- Issue date Jun 28, 2011
- Hitachi Koki Co., Ltd.
- Takao Aradachi
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Portable electric driver
- Patent number D628038
- Issue date Nov 30, 2010
- Hitachi Koki Co., Ltd.
- Yoshiki Aoki
- D08 - Tools and hardware
Information Patent Grant
Drilling system including drilling machine and compressor
- Patent number 7,556,457
- Issue date Jul 7, 2009
- Hitachi Koki Co., Ltd.
- Hiroyuki Oda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cordless power tool with overcurrent protection circuit permitting...
- Patent number 7,521,892
- Issue date Apr 21, 2009
- Hitachi Koki Co., Ltd.
- Kazuhiko Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery charger for charging lithium-ion battery
- Patent number 7,446,508
- Issue date Nov 4, 2008
- Hitachi Koki Co., Ltd.
- Takao Aradachi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Impact hammer drill
- Patent number 7,306,047
- Issue date Dec 11, 2007
- Hitachi Koki Co., Ltd.
- Hiroyuki Oda
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
BATTERY PACK, ELECTRIC DEVICE USING BATTERY PACK, AND ELECTRIC DEVI...
- Publication number 20240055674
- Publication date Feb 15, 2024
- Koki Holdings Co., Ltd.
- Tomomasa NISHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACK, ELECTRIC APPLIANCE USING BATTERY PACK, AND ELECTRIC A...
- Publication number 20190259984
- Publication date Aug 22, 2019
- Koki Holdings Co., Ltd.
- Tomomasa NISHIKAWA
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
BATTERY PACK, ELECTRICAL DEVICE USING BATTERY PACK, AND ELECTRICAL...
- Publication number 20190259985
- Publication date Aug 22, 2019
- Koki Holdings Co., Ltd.
- Hiroyuki HANAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACK, AND ELECTRIC APPLIANCE USING BATTERY PACK
- Publication number 20190260209
- Publication date Aug 22, 2019
- Koki Holdings Co., Ltd.
- Tomomasa NISHIKAWA
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Power Supply Device
- Publication number 20140153171
- Publication date Jun 5, 2014
- Hitachi Koki Co., Ltd.
- Masayuki Ogura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Screw Tightening Tool
- Publication number 20130126202
- Publication date May 23, 2013
- Hitachi Koki Co., Ltd.
- Katsuhiro Oomori
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Battery Adapter and Power Source Device Employing Same
- Publication number 20130051104
- Publication date Feb 28, 2013
- Hitachi Koki Co., Ltd.
- Yasushi Nakano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Battery Pack and Cordless Power Tool Having The Same
- Publication number 20110253402
- Publication date Oct 20, 2011
- Takao Aradachi
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Cordless power tool with overcurrent protection circuit
- Publication number 20060220605
- Publication date Oct 5, 2006
- Kazuhiko Funabashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Battery pack and cordless power tool having the same
- Publication number 20060222930
- Publication date Oct 5, 2006
- Takao Aradachi
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Battery charger for charging lithium-ion battery
- Publication number 20060220620
- Publication date Oct 5, 2006
- Takao Aradachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Drilling system including drilling machine and compressor
- Publication number 20050186041
- Publication date Aug 25, 2005
- Hiroyuki Oda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Drilling machine
- Publication number 20050173140
- Publication date Aug 11, 2005
- Hiroyuki Oda
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Masayuki Ogura

Person

Patents Grantslast 30 patents

Battery pack, electrical device using battery pack, and electrical...

Battery pack, and electric appliance using battery pack

Battery pack, electrical device using battery pack, and electrical...

Portable electric driver

Power supply device

Portable electric driver

Power supply device

Power pack and cordless power tool having the same

Portable electric driver

Drilling system including drilling machine and compressor

Cordless power tool with overcurrent protection circuit permitting...

Battery charger for charging lithium-ion battery

Impact hammer drill

Patents Applicationslast 30 patents

BATTERY PACK, ELECTRIC DEVICE USING BATTERY PACK, AND ELECTRIC DEVI...

BATTERY PACK, ELECTRIC APPLIANCE USING BATTERY PACK, AND ELECTRIC A...

BATTERY PACK, ELECTRICAL DEVICE USING BATTERY PACK, AND ELECTRICAL...

BATTERY PACK, AND ELECTRIC APPLIANCE USING BATTERY PACK

Power Supply Device

Screw Tightening Tool

Battery Adapter and Power Source Device Employing Same

Battery Pack and Cordless Power Tool Having The Same

Cordless power tool with overcurrent protection circuit

Battery pack and cordless power tool having the same

Battery charger for charging lithium-ion battery

Drilling system including drilling machine and compressor

Drilling machine