Takashi SASANUMA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Separation membrane and method of producing separation membrane
- Patent number 11,179,681
- Issue date Nov 23, 2021
- Zeon Corporation
- Shiori Omori
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing cycloalkyl alkyl ether compound
- Patent number 9,586,882
- Issue date Mar 7, 2017
- Zeon Corporation
- Yasushi Nakano
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CATALYST, AND METHOD FOR PRODUCING CYCLOPENTENE
- Publication number 20240158319
- Publication date May 16, 2024
- ZEON CORPORATION
- Chihiro NISHINOHARA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SEPARATION MEMBRANE AND METHOD OF PRODUCING SEPARATION MEMBRANE
- Publication number 20200078743
- Publication date Mar 12, 2020
- ZEON CORPORATION
- Shiori OMORI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MEMBRANE SEPARATION METHOD AND MEMBRANE SEPARATION DEVICE
- Publication number 20190247783
- Publication date Aug 15, 2019
- ZEON CORPORATION
- Shiori OMORI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING CYCLOPENTYL ALKYL ETHER COMPOUND
- Publication number 20180354880
- Publication date Dec 13, 2018
- ZEON CORPORATION
- Naoto KOGOSHI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING CYCLOALKYL ALKYL ETHER COMPOUND
- Publication number 20160052848
- Publication date Feb 25, 2016
- Zeon Corporation
- Yasushi NAKANO
- C07 - ORGANIC CHEMISTRY