OT

Osahiko Tomomitsu

JR Japan Synthetic Rubber: 3 patents #110 of 558Top 20%
Overall (All Time): #1,655,934 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5362597 Radiation-sensitive resin composition comprising an epoxy-containing alkali-soluble resin and a naphthoquinone diazide sulfonic acid ester Kimiyasu Sano, Masayuki Endoh, Yasuaki Yokoyama 1994-11-08
4626556 Solvent-soluble organopolysilsesquioxane, process for producing the same, and semi-conductor using the same Ikuo Nozue, Yoshiji Yumoto, Yoshio Matsumura 1986-12-02
4399266 Laddery lower alkylpolysilsesquioxane having heat-resistant thin film-formability and process for preparing same Yoshio Matsumura, Ikuo Nozue, Takashi Ukachi, Taro Suminoe 1983-08-16