OI

Osamu Imai

NI Ngk Insulators: 17 patents #181 of 2,083Top 9%
IK Ishihara Sangyo Kaisha: 8 patents #44 of 403Top 15%
NC Nissin Electric Co.: 1 patents #95 of 208Top 50%
SC Shin-Etsu Handotai Co.: 1 patents #385 of 679Top 60%
SC Sumitomo Precision Products Co.: 1 patents #87 of 199Top 45%
Overall (All Time): #139,386 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4590182 Organophosphorus compound and insecticidal, miticidal or nematicidal composition containing it Takahiro Haga, Tadaaki Toki, Toru Koyanagi, Hiroshi Okada, Kiyomitsu Yoshida 1986-05-20
4331670 Pyridylanilines Ryuzo Nishiyama, Kanichi Fujikawa, Takahiro Haga, Tadaaki Toki, Kuniaki Nagatani 1982-05-25
4327089 O-(N-Alkoxy-pyridinecarboximidoyl) phosphates, process for producing the same, and insecticidal or acaridical compositions containing the same Takahiro Haga, Tadaaki Toki, Toru Koyanagi 1982-04-27