Koichi Kambe

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Osaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alkaline battery separator
- Patent number 10,446,820
- Issue date Oct 15, 2019
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Separator for nonaqueous cell and nonaqueous cell
- Patent number 9,748,543
- Issue date Aug 29, 2017
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Separator for nonaqueous cell and nonaqueous cell
- Patent number 9,711,769
- Issue date Jul 18, 2017
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Alkaline battery separator and alkaline battery using separator
- Patent number 9,142,816
- Issue date Sep 22, 2015
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ALKALINE BATTERY SEPARATOR
- Publication number 20180269450
- Publication date Sep 20, 2018
- Kuraray Co., Ltd
- Tomohiro HAYAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEPARATOR FOR NONAQUEOUS CELL AND NONAQUEOUS CELL
- Publication number 20150079479
- Publication date Mar 19, 2015
- Kuraray Co., Ltd
- Tomohiro HAYAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ALKALINE BATTERY SEPARATOR AND ALKALINE BATTERY USING SEPARATOR
- Publication number 20130183569
- Publication date Jul 18, 2013
- Kuraray Co., Ltd
- Tomohiro Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS