Hiroyuki Hanawa

Person

Hitachinaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrical apparatus using battery pack
- Patent number 12,125,994
- Issue date Oct 22, 2024
- KOKI HOLDINGS CO., LTD.
- Yasushi Nakano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery pack and electric device system
- Patent number 12,101,830
- Issue date Sep 24, 2024
- KOKI HOLDINGS CO., LTD.
- Satoshi Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Battery pack, electric apparatus using battery pack, and electric a...
- Patent number 12,074,296
- Issue date Aug 27, 2024
- KOKI HOLDINGS CO., LTD.
- Yasushi Nakano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery pack and electric apparatus using battery pack
- Patent number 12,046,721
- Issue date Jul 23, 2024
- KOKI HOLDINGS CO., LTD.
- Yasushi Nakano
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Electrical apparatus using battery pack
- Patent number 11,837,741
- Issue date Dec 5, 2023
- KOKI HOLDINGS CO., LTD.
- Takuhiro Murakami
- H01 - BASIC ELECTRIC ELEMENTS
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 electrical apparatus using battery pack
- Patent number 11,710,860
- Issue date Jul 25, 2023
- KOKI HOLDINGS CO., LTD.
- Yasushi Nakano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery pack and electrical apparatus
- Patent number 11,637,433
- Issue date Apr 25, 2023
- KOKI HOLDINGS CO., LTD.
- Satoshi Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery pack and electric apparatus using battery pack
- Patent number 11,367,907
- Issue date Jun 21, 2022
- KOKI HOLDINGS CO., LTD.
- Yasushi Nakano
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Working machine
- Patent number 11,229,997
- Issue date Jan 25, 2022
- KOKI HOLDINGS CO., LTD.
- Shota Hirano
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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
Electric device including sealing member between attachment part an...
- Patent number 10,263,228
- Issue date Apr 16, 2019
- KOKI HOLDINGS CO., LTD.
- Tomomasa Nishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric tool and battery pack for the electric tool
- Patent number 9,748,534
- Issue date Aug 29, 2017
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Battery pack and power tool provided with the same
- Patent number 9,236,588
- Issue date Jan 12, 2016
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Battery pack and power tool provided with the same
- Patent number 8,895,182
- Issue date Nov 25, 2014
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Battery pack and battery-driven power tool using the same
- Patent number 8,765,280
- Issue date Jul 1, 2014
- Hitachi Koki Co., Ltd.
- Takashi Ueda
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Battery pack and motor-driven tool using the same
- Patent number 8,684,106
- Issue date Apr 1, 2014
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Battery pack and cordless tool using the same
- Patent number 8,579,042
- Issue date Nov 12, 2013
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery pack and cordless tool using the same
- Patent number 8,381,829
- Issue date Feb 26, 2013
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery charger
- Patent number 8,035,350
- Issue date Oct 11, 2011
- Hitachi Koki Co., Ltd.
- Takao Aradachi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Charging device for battery
- Patent number 7,956,575
- Issue date Jun 7, 2011
- Hitachi Koki Co., Ltd.
- Yoshikazu Kawano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery pack and electric tool
- Patent number 7,948,210
- Issue date May 24, 2011
- Hitachi Koki Co., Ltd.
- Kazuhiko Funabashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery pack and motor-driven tool using the same
- Patent number 7,807,293
- Issue date Oct 5, 2010
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Battery pack, and assembly of battery pack and motor-driven tool or...
- Patent number 7,759,899
- Issue date Jul 20, 2010
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery pack
- Patent number D607814
- Issue date Jan 12, 2010
- Hitachi Koki Co., Ltd.
- Hitoshi Tsuzuki
- D13 - Equipment for production, distribution, or transformation of energy
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
Battery pack
- Patent number D562227
- Issue date Feb 19, 2008
- Hitachi Koki Co., Ltd.
- Kenichi Yamada
- D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

Information Patent Application
BATTERY PACK AND ELECTRIC DEVICE
- Publication number 20240266619
- Publication date Aug 8, 2024
- Koki Holdings Co., Ltd.
- Satoshi YAMAGUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACK AND ELECTRICAL DEVICE
- Publication number 20240258606
- Publication date Aug 1, 2024
- Koki Holdings Co., Ltd.
- Toshiyuki YOSHIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACK AND ELECTRIC DEVICE SYSTEM
- Publication number 20240172299
- Publication date May 23, 2024
- Koki Holdings Co., Ltd.
- Satoshi YAMAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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, ELECTRICAL DEVICE, AND ELECTRICAL DEVICE MAIN BODY
- Publication number 20230420775
- Publication date Dec 28, 2023
- Koki Holdings Co., Ltd.
- Toshiyuki YOSHIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRICAL APPARATUS USING BATTERY PACK
- Publication number 20230318055
- Publication date Oct 5, 2023
- Koki Holdings Co., Ltd.
- Yasushi Nakano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACK, ELECTRIC APPARATUS USING BATTERY PACK, AND ELECTRIC A...
- Publication number 20230275277
- Publication date Aug 31, 2023
- Koki Holdings Co., Ltd.
- Yasushi Nakano
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
BATTERY PACK AND ELECTRICAL APPARATUS USING SAME
- Publication number 20230010270
- Publication date Jan 12, 2023
- Koki Holdings Co., Ltd.
- Satoshi YAMAGUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACK AND ELECTRICAL INSTRUMENT
- Publication number 20220384894
- Publication date Dec 1, 2022
- Koki Holdings Co., Ltd.
- Toshiyuki YOSHIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACK AND ELECTRIC APPARATUS USING BATTERY PACK
- Publication number 20220302510
- Publication date Sep 22, 2022
- Koki Holdings Co., Ltd.
- Yasushi Nakano
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
BATTERY PACK AND ELECTRIC DEVICE
- Publication number 20220223949
- Publication date Jul 14, 2022
- Koki Holdings Co., Ltd.
- Toshiaki Masumori
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
BATTERY PACK AND ELECTRIC DEVICE SYSTEM
- Publication number 20220094178
- Publication date Mar 24, 2022
- Koki Holdings Co., Ltd.
- Satoshi YAMAGUCHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY PACK AND WIRELESS LINKING SYSTEM
- Publication number 20210210793
- Publication date Jul 8, 2021
- Koki Holdings Co., Ltd.
- Satoshi YAMAGUCHI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
BATTERY PACK AND ELECTRICAL APPARATUS
- Publication number 20200227931
- Publication date Jul 16, 2020
- Koki Holdings Co., Ltd.
- Satoshi YAMAGUCHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY PACK AND ELECTRIC APPARATUS USING BATTERY PACK
- Publication number 20200212505
- Publication date Jul 2, 2020
- Koki Holdings Co., Ltd.
- Yasushi Nakano
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
ELECTRICAL APPARATUS USING BATTERY PACK
- Publication number 20200161609
- Publication date May 21, 2020
- Koki Holdings Co., Ltd.
- Takuhiro Murakami
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
BATTERY PACK AND ELECTRICAL APPARATUS USING BATTERY PACK
- Publication number 20200127339
- Publication date Apr 23, 2020
- Koki Holdings Co., Ltd.
- Yasushi Nakano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
WORKING MACHINE
- Publication number 20180193996
- Publication date Jul 12, 2018
- Hitachi Koki Co., Ltd.
- Shota HIRANO
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
ELECTRIC DEVICE, BATTERY PACK, AND ELECTRIC APPARATUS
- Publication number 20150214520
- Publication date Jul 30, 2015
- Hitachi Koki Co., Ltd.
- Tomomasa Nishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACK AND POWER TOOL PROVIDED WITH THE SAME
- Publication number 20150075831
- Publication date Mar 19, 2015
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRIC TOOL AND BATTERY PACK FOR THE ELECTRIC TOOL
- Publication number 20140294483
- Publication date Oct 2, 2014
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
CHARGER AND POWER SUPPLY SYSTEM
- Publication number 20140001853
- Publication date Jan 2, 2014
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY PACK AND CORDLESS TOOL USING THE SAME
- Publication number 20130154549
- Publication date Jun 20, 2013
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY PACK AND POWER TOOL
- Publication number 20130095350
- Publication date Apr 18, 2013
- Hitachi Koki Co., Ltd.
- Takao Aradachi
- G01 - MEASURING TESTING
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
BATTERY CHARGER
- Publication number 20110025269
- Publication date Feb 3, 2011
- Kazuhiko Funabashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY PACK AND MOTOR-DRIVEN TOOL USING THE SAME
- Publication number 20110005793
- Publication date Jan 13, 2011
- HTIACHI KOKI CO., LTD.
- Hiroyuki Hanawa
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
BATTERY PACK AND POWER TOOL PROVIDED WITH THE SAME
- Publication number 20100248016
- Publication date Sep 30, 2010
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Hiroyuki Hanawa

Person

Patents Grantslast 30 patents

Electrical apparatus using battery pack

Battery pack and electric device system

Battery pack, electric apparatus using battery pack, and electric a...

Battery pack and electric apparatus using battery pack

Electrical apparatus using battery pack

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

Battery pack and electrical apparatus using battery pack

Battery pack and electrical apparatus

Battery pack and electric apparatus using battery pack

Working machine

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

Electric device including sealing member between attachment part an...

Electric tool and battery pack for the electric tool

Battery pack and power tool provided with the same

Battery pack and power tool provided with the same

Battery pack and battery-driven power tool using the same

Battery pack and motor-driven tool using the same

Battery pack and cordless tool using the same

Battery pack and cordless tool using the same

Battery charger

Power pack and cordless power tool having the same

Charging device for battery

Battery pack and electric tool

Battery pack and motor-driven tool using the same

Battery pack, and assembly of battery pack and motor-driven tool or...

Battery pack

Cordless power tool with overcurrent protection circuit permitting...

Battery charger for charging lithium-ion battery

Battery pack

Patents Applicationslast 30 patents

BATTERY PACK AND ELECTRIC DEVICE

BATTERY PACK AND ELECTRICAL DEVICE

BATTERY PACK AND ELECTRIC DEVICE SYSTEM

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

BATTERY PACK, ELECTRICAL DEVICE, AND ELECTRICAL DEVICE MAIN BODY

ELECTRICAL APPARATUS USING BATTERY PACK

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

BATTERY PACK AND ELECTRICAL APPARATUS USING SAME

BATTERY PACK AND ELECTRICAL INSTRUMENT

BATTERY PACK AND ELECTRIC APPARATUS USING BATTERY PACK

BATTERY PACK AND ELECTRIC DEVICE

BATTERY PACK AND ELECTRIC DEVICE SYSTEM

BATTERY PACK AND WIRELESS LINKING SYSTEM

BATTERY PACK AND ELECTRICAL APPARATUS

BATTERY PACK AND ELECTRIC APPARATUS USING BATTERY PACK

ELECTRICAL APPARATUS USING BATTERY PACK

BATTERY PACK AND ELECTRICAL APPARATUS USING BATTERY PACK

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

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

WORKING MACHINE

ELECTRIC DEVICE, BATTERY PACK, AND ELECTRIC APPARATUS

BATTERY PACK AND POWER TOOL PROVIDED WITH THE SAME

ELECTRIC TOOL AND BATTERY PACK FOR THE ELECTRIC TOOL

CHARGER AND POWER SUPPLY SYSTEM

BATTERY PACK AND CORDLESS TOOL USING THE SAME

BATTERY PACK AND POWER TOOL

Battery Pack and Cordless Power Tool Having The Same

BATTERY CHARGER

BATTERY PACK AND MOTOR-DRIVEN TOOL USING THE SAME

BATTERY PACK AND POWER TOOL PROVIDED WITH THE SAME