TO

Tetsuo Ohta

TI Takasago International: 3 patents #126 of 465Top 30%
TC Takasago Perfumery Co.: 2 patents #12 of 65Top 20%
📍 Ebeye: #1,032 of 4,528 inventorsTop 25%
Overall (All Time): #1,056,567 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5412109 Process for preparing optically active 4-methyl-2-oxetanone Hidemasa Takaya, Hidenori Kumobayashi, Yoshiki Okeda, Yoshiharu Gonda 1995-05-02
5306834 Process for preparing optically active 4-methyl-2-oxetanone Hidemasa Takaya, Hidenori Kumobayashi 1994-04-26
4962230 Process for producing optically active carboxylic acid Hidemasa Takaya, Ryoji Noyori, Noboru Sayo, Hidenori Kumobayashi, Susumu Akutagawa 1990-10-09
4739084 Ruthenium-phosphine complex Hidemasa Takaya, Ryoji Noyori, Nobuo Yamada, Toshiyuki Takezawa, Noboru Sayo +3 more 1988-04-19
4739085 Ruthenium-phosphine complex Hidemasa Takaya, Ryoli Noyori, Noboru Sayo, Hidenori Kumobayashi, Susumu Akutagawa 1988-04-19