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Junichi KATAYAMA
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Anjo-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Power-supply apparatus and electric working machine system
Patent number
11,575,339
Issue date
Feb 7, 2023
Makita Corporation
Junichi Katayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Technique for supplying electric power from battery pack to electri...
Patent number
11,552,366
Issue date
Jan 10, 2023
Makita Corporation
Junichi Katayama
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Power-supply apparatus and electric working machine system
Patent number
11,394,339
Issue date
Jul 19, 2022
Makita Corporation
Junichi Katayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Charging control device for suitably performing charging regardless...
Patent number
10,855,089
Issue date
Dec 1, 2020
Makita Corporation
Tadahiko Kobayakawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Battery device and charging device
Patent number
10,418,826
Issue date
Sep 17, 2019
Makita Corporation
Junichi Katayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Battery pack and method for writing data to battery pack
Patent number
10,096,347
Issue date
Oct 9, 2018
Makita Corporation
Junichi Katayama
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
POWER-SUPPLY APPARATUS AND ELECTRIC WORKING MACHINE SYSTEM
Publication number
20220302869
Publication date
Sep 22, 2022
MAKITA CORPORATION
Junichi KATAYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER-SUPPLY APPARATUS AND ELECTRIC WORKING MACHINE SYSTEM
Publication number
20200313598
Publication date
Oct 1, 2020
MAKITA CORPORATION
Junichi KATAYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TECHNIQUE FOR SUPPLYING ELECTRIC POWER FROM BATTERY PACK TO ELECTRI...
Publication number
20200235357
Publication date
Jul 23, 2020
MAKITA CORPORATION
Junichi KATAYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CHARGING CONTROL DEVICE, AND BATTERY PACK AND CHARGER
Publication number
20190123569
Publication date
Apr 25, 2019
MAKITA CORPORATION
Tadahiko KOBAYAKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BATTERY PACK AND METHOD FOR WRITING DATA TO BATTERY PACK
Publication number
20180114554
Publication date
Apr 26, 2018
MAKITA CORPORATION
Junichi KATAYAMA
G11 - INFORMATION STORAGE
Information
Patent Application
BATTERY DEVICE AND CHARGING DEVICE
Publication number
20170155254
Publication date
Jun 1, 2017
MAKITA CORPORATION
Junichi KATAYAMA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER