Yoshihisa Tokumaru

Person

Kagasuno, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrolyte for electrochemical device, electrolytic solution, and...
- Patent number 11,114,695
- Issue date Sep 7, 2021
- Otsuka Chemical Co., Ltd.
- Taiji Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonaqueous electrolytic solution for electric double layer capacitors
- Patent number 10,593,488
- Issue date Mar 17, 2020
- Otsuka Chemical Co., Ltd.
- Yoshihisa Tokumaru
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Nonaqueous electrolytic solution for electric double layer capacitor
- Patent number 9,905,375
- Issue date Feb 27, 2018
- Otsuka Chemical Co., Ltd.
- Yoshihisa Tokumaru
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing penam compound useful for preparing tazobactam
- Patent number 7,714,125
- Issue date May 11, 2010
- Otsuka Chemical Co., Ltd.
- Isao Wada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Penam crystals and process for producing the same
- Patent number 7,547,777
- Issue date Jun 16, 2009
- Otsuka Chemical Co., Ltd.
- Yoshihisa Tokumaru
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing penicillanic acid compound
- Patent number 7,514,553
- Issue date Apr 7, 2009
- Otsuka Chemical Co., Ltd.
- Yoshihisa Tokumaru
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing exo-methylenepenam compounds
- Patent number 6,339,152
- Issue date Jan 15, 2002
- Otsuka Kagaku Kabushiki Kaisha
- Sigeru Torii
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 2-isocephem derivatives
- Patent number 6,063,918
- Issue date May 16, 2000
- Otsuka Kagaku Kabushiki Kaisha
- Michio Sasaoka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 2-isocephem derivatives
- Patent number 5,688,942
- Issue date Nov 18, 1997
- Otsuka Kagaku Kabushiki Kaisha
- Michio Sasaoka
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ELECTROLYTE FOR ELECTROCHEMICAL DEVICE, ELECTROLYTIC SOLUTION, AND...
- Publication number 20190273284
- Publication date Sep 5, 2019
- OTSUKA CHEMICAL CO., LTD.
- Taiji NAKAGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NONAQUEOUS ELECTROLYTIC SOLUTION FOR ELECTRIC DOUBLE LAYER CAPACITORS
- Publication number 20170330700
- Publication date Nov 16, 2017
- OTSUKA CHEMICAL CO., LTD.
- Yoshihisa TOKUMARU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NONAQUEOUS ELECTROLYTIC SOLUTION FOR ELECTRIC DOUBLE LAYER CAPACITOR
- Publication number 20160372274
- Publication date Dec 22, 2016
- OTSUKA CHEMICAL CO., LTD.
- Yoshihisa TOKUMARU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Process for Producing Penam Compound
- Publication number 20090012287
- Publication date Jan 8, 2009
- Isao Wada
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Penam crystals and process for producing the same
- Publication number 20070060559
- Publication date Mar 15, 2007
- Yoshihisa Tokumaru
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing penicillanic acid compound
- Publication number 20060281917
- Publication date Dec 14, 2006
- Yoshihisa Tokumaru
- C07 - ORGANIC CHEMISTRY

Yoshihisa Tokumaru

Person

Patents Grantslast 30 patents

Electrolyte for electrochemical device, electrolytic solution, and...

Nonaqueous electrolytic solution for electric double layer capacitors

Nonaqueous electrolytic solution for electric double layer capacitor

Process for producing penam compound useful for preparing tazobactam

Penam crystals and process for producing the same

Process for producing penicillanic acid compound

Process for producing exo-methylenepenam compounds

Process for preparing 2-isocephem derivatives

Process for preparing 2-isocephem derivatives

Patents Applicationslast 30 patents

ELECTROLYTE FOR ELECTROCHEMICAL DEVICE, ELECTROLYTIC SOLUTION, AND...

NONAQUEOUS ELECTROLYTIC SOLUTION FOR ELECTRIC DOUBLE LAYER CAPACITORS

NONAQUEOUS ELECTROLYTIC SOLUTION FOR ELECTRIC DOUBLE LAYER CAPACITOR

Process for Producing Penam Compound

Penam crystals and process for producing the same

Process for producing penicillanic acid compound