GS

Gohfu Suzukamo

SC Sumitomo Chemical: 72 patents #3 of 4,033Top 1%
SC Sumika Fine Chemicals Co.: 3 patents #21 of 59Top 40%
SE Sumitomo Electric: 1 patents #1 of 33Top 4%
📍 Ibaraki, JP: #31 of 6,779 inventorsTop 1%
Overall (All Time): #26,587 of 4,157,543Top 1%
74
Patents All Time

Issued Patents All Time

Showing 26–50 of 74 patents

Patent #TitleCo-InventorsDate
5200561 Process for producing optically active amines Naoto Konya, Yukio Yoneyoshi, Yoji Sakito, Shinji Nishii, Hiroko Sakane 1993-04-06
5145998 Method for producing optically active amines Yoji Sakito, Yukio Yoneyoshi 1992-09-08
5144039 Process for producing optically active alcohol Yukio Yoneyoshi, Naoto Konya, Takaharu Ikeda 1992-09-01
5144071 Method for producing an optically active azolyl-.alpha.,.beta.-unsaturated alcohol Yukio Yoneyoshi, Yoji Sakito, Toshio Nishioka 1992-09-01
5130486 Process for isomerization of oxime ethers Naoto Konyo, Yukio Yoneyoshi 1992-07-14
5120853 Process for producing optically active compounds Yukio Yoneyoshi, Yoji Sakito 1992-06-09
5118895 Process for preparing alkyl-substituted aromatic hydrocarbon Takuo Hibi, Masami Fukao, Kiyoshi Ikimi 1992-06-02
5097088 Process for preparing alkyl-substituted aromatic hydrocarbon Masami Fukao, Takuo Hibi, Kiyoshi Ikimi 1992-03-17
5066630 Method for removing nitrogen-containing organic compounds from crystalline metallosilicate Masaru Kitamura, Hiroshi Ichihashi 1991-11-19
5043507 Process for preparing alkyl-substituted aromatic hydrocarbons Masami Fukao, Takuo Hibi, Kiyoshi Ikimi 1991-08-27
5041651 Asymmetrically modified boron hydride type compound and a method for producing an optically active alcohol derivative by the use thereof Yukio Yoneyoshi, Kazuhiko Hamada, Toshio Nishioka 1991-08-20
5011989 Optically active hydroxybenzylamine Yukio Yoneyoshi, Yoji Sakito 1991-04-30
4992612 Solid base, process for producing the same and process of preparing internal olefins Masami Fukao 1991-02-12
4987114 Solid base and process for producing the same for preparing internal olefins Masami Fukao 1991-01-22
4968793 Process for producing .epsilon.-caprolactam Masaru Kitamura, Hiroshi Ichihashi, Yasuo Nakamura 1990-11-06
4962233 Process for preparing racemic dihalovinylcyclopropane carboxylic acid halides Koji Hagiya, Masami Fukao, Hiroko Sakane 1990-10-09
4962254 Process for preparing alkyl-substituted aromatic hydrocarbons Masami Fukao, Takuo Hibi, Kiyoshi Ikimi 1990-10-09
4954651 Process for preparing trans-2,2-dimethyl-3-(2,2-dihalovinyl)-cyclopropane carboxylic acid halide Yoji Sakito, Masami Fukao, Koji Hagiya 1990-09-04
4948914 Process for preparing trans-2,2-dimethyl-3-(2,2-dihalovinyl)cyclopropane carboxylic acid esters Koji Hagiya, Masami Fukao, Yoji Sakito, Hiroko Sakane 1990-08-14
4923999 Optically active borane complex and a method for producing an optically active alcohol derivative by the use thereof Yukio Yoneyoshi, Kazuhiko Hamada, Toshio Nishioka 1990-05-08
4908455 Method for producing an optically active azolyl-.alpha. .beta.-unsaturated alcohol Yukio Yoneyoshi, Yoji Sakito, Toshio Nishioka 1990-03-13
4898655 Method for racemization of optically active chrysanthemic acid or its derivatives Yoji Sakito, Masami Fukao, Koji Hagiya 1990-02-06
4879429 Solid base, process for preparing the same and use of the same in preparation of internal olefins Masami Fukao 1989-11-07
4877918 Process for preparing internal olefins Masami Fukao 1989-10-31
4822764 Solid base catalyst for the preparation of internal olefins and process for preparing the catalyst Masami Fukao 1989-04-18