Koichi Yamamoto

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Amphoteric polyelectrolyte, method for production thereof, and orga...
- Patent number 5,284,909
- Issue date Feb 8, 1994
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Kazutomo Takahashi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Additive for production of paper
- Patent number 5,252,184
- Issue date Oct 12, 1993
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Yasumasa Tanaka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Amphoteric polyelectrolite, method for production thereof, and orga...
- Patent number 5,194,515
- Issue date Mar 16, 1993
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Kazutomo Takahashi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for producing aziridines
- Patent number 4,966,980
- Issue date Oct 30, 1990
- Nippon Shokubai Kagaku Kogyo Co. Ltd.
- Teruo Kamei
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for production of 4-methyl-5-(2-aminoethyl)-thiomethyl)-imid...
- Patent number 4,916,233
- Issue date Apr 10, 1990
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Tsunemasa Ueno
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR SELECTING CELL
- Publication number 20230250401
- Publication date Aug 10, 2023
- KYOWA KIRIN CO., LTD.
- Koichi YAMAMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR SELECTING CELL
- Publication number 20190316096
- Publication date Oct 17, 2019
- KYOWA HAKKO KIRIN CO
- Koichi YAMAMOTO
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...