Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719256 | Process for preparing polycondensation polymer compound | Shoji Tamai, Yukiko Mori, Kenichi Goto, Katsuji Watanabe, Osamu Kohgo +5 more | 1998-02-17 |
| 5473010 | Polyimide based resin composition | Atsushi Morita, Tomohito Koba, Toshiaki Takahashi, Katsunori Shimamura, Hiroyuki Furukawa +1 more | 1995-12-05 |
| 5354839 | Polyimide and preparation process of same | Wataru Yamashita, Yoshihiro Sakata, Yuichi Okawa, Hideaki Oikawa, Tadashi Asanuma +4 more | 1994-10-11 |
| 5322962 | Aromatic diamine intermediates useful in the preparation of polyimide | Shoji Tamai, Keizaburo Yamaguchi, Yuko Ishihara, Saburo Kawashima, Hideaki Oikawa +1 more | 1994-06-21 |
| 5231160 | Aromatic diamine compound, preparation process of same and polyimide prepared from same | Shoji Tamai, Keizaburo Yamaguchi, Yuko Ishihara, Saburo Kawashima, Hideaki Oikawa +1 more | 1993-07-27 |