ST

Shigehiko Tachikawa

IC Ihara Chemical Industry Co.: 11 patents #12 of 263Top 5%
KC Kumiai Chemical Industry Co.: 9 patents #21 of 284Top 8%
Overall (All Time): #473,278 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5877120 Nicotinic acid derivatives and herbicides Masahiro Miyazaki, Sumio Yokota, Yoshihiro Ito, Nobuyuki Ohba, Nobuhide Wada +1 more 1999-03-02
5770544 Condensed heterocyclic derivatives and herbicides Sumio Yokota, Masafumi Matsuzawa, Nobuyuki Ohba, Toshihiro Nagata, Takeshige Miyazawa +1 more 1998-06-23
5616537 Condensed heterocyclic derivatives and herbicides Sumio Yokota, Masafumi Matsuzawa, Nobuyuki Ohba, Toshihiro Nagata, Takeshige Miyazawa +1 more 1997-04-01
5527763 Pyrimidine or triazine derivatives and herbicides Masahiro Miyazaki, Masafumi Matsuzawa, Takumi Yoshimura, Kuniaki Shimizu 1996-06-18
5403816 Picolinic acid derivative and herbicidal composition Fumiaki Takabe, Yoshihiro Saito, Masatoshi Tamaru, Ryo Hanai 1995-04-04
5401711 Pyrimidine derivatives and herbicidal composition Masahiro Sato, Koichiro Kaku 1995-03-28
5391537 Picolinic acid derivative, and herbicidal composition Fumiaki Takabe, Yoshihiro Saito, Masatoshi Tamaru, Ryo Hanai 1995-02-21
5312929 2-oxo-3-pyrroline derivatives, process for their production and herbicidal composition Nobuyuki Ohba, Toshihiro Nagata, Akira Takeuchi, Yasunori Ogawa 1994-05-17
5302739 Pyrimidine or triazine derivatives Masatoshi Tamaru, Norihiro Kawamura, Masahiro Sato, Fumiaki Takabe, Ryo Yoshida 1994-04-12
5242895 Triazine derivatives and herbicidal composition containing the same Masatoshi Tamaru, Norihiro Kawamura, Masahiro Sato, Fumiaki Takabe, Ryo Yoshida 1993-09-07
5118339 Pyrimidine derivatives and herbicidal composition containing the same Masatoshi Tamaru, Norihiro Kawamura, Masahiro Sato, Fumiaki Takabe, Ryo Yoshida 1992-06-02