Fumio Yamakawa

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing sulfide solid electrolyte
- Patent number 12,119,442
- Issue date Oct 15, 2024
- Idemitsu Kosan Co., Ltd.
- Fumio Yamakawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing solid electrolyte
- Patent number 11,978,848
- Issue date May 7, 2024
- Idemitsu Kosan Co., Ltd.
- Shinji Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing sulfide solid electrolyte and sulfur-based mat...
- Patent number 11,183,708
- Issue date Nov 23, 2021
- Idemitsu Kosan Co., Ltd.
- Ryo Aburatani
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE
- Publication number 20250006987
- Publication date Jan 2, 2025
- Idemitsu Kosan Co., Ltd.
- Fumio YAMAKAWA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SOLID ELECTROLYTE PRODUCTION METHOD
- Publication number 20230187688
- Publication date Jun 15, 2023
- Idemitsu Kosan Co. Ltd.
- Hiroaki YAMADA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE
- Publication number 20210408581
- Publication date Dec 30, 2021
- Idemitsu Kosan Co., Ltd.
- Fumio YAMAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING SOLID ELECTROLYTE
- Publication number 20210376377
- Publication date Dec 2, 2021
- Idemitsu Kosan Co., Ltd.
- Shinji TANAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE AND SULFUR-BASED MAT...
- Publication number 20180138545
- Publication date May 17, 2018
- Idemitsu Kosan Co., Ltd.
- Ryo ABURATANI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR PRODUCING DIISOBUTYLENE USING MIXED C4 FRACTION AS RAW M...
- Publication number 20140128652
- Publication date May 8, 2014
- Idemitsu Kosan Co., Ltd.
- Fumio Yamakawa
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Catalyst for petroleum resin hydrogenation and process for producin...
- Publication number 20050228143
- Publication date Oct 13, 2005
- Idemitsu Kosan Co., Ltd.
- Fumio Yamakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Fumio Yamakawa

Person

Patents Grantslast 30 patents

Method for producing sulfide solid electrolyte

Method for producing solid electrolyte

Method for producing sulfide solid electrolyte and sulfur-based mat...

Patents Applicationslast 30 patents

METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE

SOLID ELECTROLYTE PRODUCTION METHOD

METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE

METHOD FOR PRODUCING SOLID ELECTROLYTE

METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE AND SULFUR-BASED MAT...

METHOD FOR PRODUCING DIISOBUTYLENE USING MIXED C4 FRACTION AS RAW M...

Catalyst for petroleum resin hydrogenation and process for producin...