Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5770108 | Pyrimidine compound and liquid crystal composition and liquid crystal element using the same | Yoshiyuki Totani, Motokazu Hirao, Atsuo Otsuji, Hiroe Kayashima, Masakatsu Nakatsuka | 1998-06-23 |
| 5631377 | Polyimide intermediates | Mitsunori Matsuo, Akio Karasawa, Keizaburo Yamaguchi, Akihiro Yamaguchi | 1997-05-20 |
| 5484880 | Polyimide | Wataru Yamashita, Yuichi Okawa, Shoji Tamai, Mitsunori Matsuo, Keizaburo Yamaguchi +1 more | 1996-01-16 |
| 5470943 | Polyimide | Yoshihiro Sakata, Wataru Yamashita, Yuichi Okawa, Shoji Tamai, Mitsunori Matsuo +2 more | 1995-11-28 |
| 5410084 | Aromatic diamine and polyimide, and preparation process of same | Mitsunori Matsuo, Keizaburo Yamaguchi, Akihiro Yamaguchi | 1995-04-25 |
| 5354839 | Polyimide and preparation process of same | Wataru Yamashita, Yoshihiro Sakata, Toshiyuki Kataoka, Yuichi Okawa, Hideaki Oikawa +4 more | 1994-10-11 |