YK

Yasuo Kawamura

NI Nissan Chemical Industries: 20 patents #33 of 1,150Top 3%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
YC Yoshino Gypsum Co.: 2 patents #25 of 106Top 25%
CH Chisso: 1 patents #468 of 833Top 60%
Overall (All Time): #139,222 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4521406 Antitumor agent Tadashi Nishiyama, Tomiyoshi Itoh, Takuo Sakai 1985-06-04
4425343 Benzoazine ether or thioether linkage containing urea compounds, process for producing same and insecticides containing said compounds Gojyo Sakata, Kenji Makino, Jun Sato, Kiyomi Ozawa, Masayoshi Hirose +1 more 1984-01-10
4376202 Aniline derivative and process for production thereof Yasukazu Ura, Gojyo Sakata, Kenji Makino, Kazuya Kusano, Jun Satow 1983-03-08