RT

Ritsuro Tada

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
Overall (All Time): #894,973 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4784917 Thermosetting resin composition and laminate and process for the production thereof Keiko Tawara, Akira Nagai, Akio Takahashi, Katuo Sugawara, Masahiro Ono +2 more 1988-11-15
4738900 Thermo-setting, polymerizable composition and wiring board Masahiro Ono, Akio Takahashi, Katuo Sugawara, Akira Nagai, Motoyo Wajima +1 more 1988-04-19
4607094 Thermosetting resin composition from aromatic cyanamide Katuo Sugawara, Akio Takahashi, Masahiro Ono, Motoyo Wajima, Toshikazu Narahara +1 more 1986-08-19
4587162 Resin composition and laminate produced therefrom comprising a cyclized polybutadiene and a prepolymer of a isocyanuric or cyanuric acid derivative Akira Nagai, Akio Takahashi, Katuo Sugawara, Masahiro Ono, Motoyo Wajima +1 more 1986-05-06
4486583 Heat-resistant resin from aromatic cyanamide compound and aromatic amine compound Akio Takahashi, Masahiro Ono, Motoyo Wajima, Hirosada Morishita 1984-12-04
4393188 Thermosetting prepolymer from polyfunctional maleimide and bis maleimide Akio Takahashi, Motoyo Wajima, Hirosada Morishita, Yutaka Mizuno, Shunya Yokozawa +1 more 1983-07-12