YT

Yasuo Takakuwa

NI Nissan Chemical Industries: 3 patents #343 of 1,150Top 30%
📍 Funabashi, JP: #412 of 1,104 inventorsTop 40%
Overall (All Time): #1,678,431 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4625053 Process for preparing optically active 2-(4-hydroxy-phenoxy) propionic acid compounds Shoji Fujinawa, Isao Hashiba, Kenji Suzuki, Syuzi Tsuchiya 1986-11-25
4611088 Process for preparing D-.alpha.-(6-methoxy-2-naphtyl) propionic acid Yoshio Ohara, Kazutaka Arai, Yasuhiro Takahashi 1986-09-09
4417070 Process for preparing an optical active ester of naphthylpropionic acid Kazutaka Arai, Yoshio Ohara, Toyoko Iizumi 1983-11-22