Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751136 | Substrate for high-frequency circuit and process for making the same | Masaki Kamiya, Takao Sugawara, Yutaka Yamaguchi, Mitsuo Yokota, Masao Asaoka | 1988-06-14 |
| 4400438 | Process for producing fire retardant and heat resistant copper-clad laminated board, and varnish therefor | Akio Takahashi, Yutaka Itoh, Takeshi Shimazaki, Motoyo Wajima, Hirosada Morishita +2 more | 1983-08-23 |
| 4393188 | Thermosetting prepolymer from polyfunctional maleimide and bis maleimide | Akio Takahashi, Motoyo Wajima, Ritsuro Tada, Hirosada Morishita, Yutaka Mizuno +1 more | 1983-07-12 |
| 4346206 | Imide prepolymer from reaction of epoxy compound with bis-imide/diamine reaction mixture | Akio Takahashi, Yutaka Itoh, Takeshi Shimazaki, Motoyo Wajima, Hirosada Morishita +2 more | 1982-08-24 |
| 4283522 | Process for preparing thermosetting prepolymer from mixture of polyfunctional maleimide and bis-maleimide | Akio Takahashi, Yutaka Itoh, Motoyo Wajima, Hirosada Morishita | 1981-08-11 |