Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5484948 | Bismaleimide compounds | Keizaburo Yamaguchi, Tatsuhiro Urakami, Yoshimitsu Tanabe, Shoji Tamai, Norimasa Yamaya +2 more | 1996-01-16 |
| 5364967 | Aromatic diamine compounds, bismalemide compounds, thermosetting resin forming compositions therefrom, resin therefrom, and methods for their preparation | Keizaburo Yamaguchi, Tatsuhiro Urakami, Yoshimitsu Tanabe, Shoji Tamai, Norimasa Yamaya +2 more | 1994-11-15 |
| 5206438 | Aromatic diamine compounds, bismaleimide compounds, thermosetting resin forming compositions therefrom, resins therefrom, and methods for their preparation | Keizaburo Yamaguchi, Tatsuhiro Urakami, Yoshimitsu Tanabe, Shoji Tamai, Norimasa Yamaya +2 more | 1993-04-27 |
| 5013848 | Aromatic bismaleimide derivatives and process for preparing same | Yukihiro Yoshikawa, Keizaburo Yamaguchi, Kenichi Sugimoto, Yoshimitsu Tanabe, Akihiro Yamaguchi | 1991-05-07 |
| 4751328 | Process for producing aminobenzylamines | Keizaburo Yamaguchi, Kenichi Sugimoto, Yoshimitsu Tanabe, Akihiro Yamaguchi | 1988-06-14 |
| 4671890 | Aminobenzylamine composition | Keizaburo Yamaguchi, Kenichi Sugimoto, Yoshimitsu Tanabe, Akihiro Yamaguchi | 1987-06-09 |