Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5451339 | Liquid crystal monomeric compound and liquid crystal polymer compound modified therewith | Yoshiichi Suzuki, Yoshio Imai | 1995-09-19 |
| 5342895 | Block copolymer and method of producing the same | Toshio Tagami, Yoshio Imai, Osamu Kiyohara, Hitoshi Narushima | 1994-08-30 |
| 5218081 | Method of producing aromatic polythiazole | Tatsuya Hattori, Hiroshi Akita, Yoshio Imai | 1993-06-08 |
| 4921728 | Process of making a liquid crystal element | Yasuyuki Takiguchi, Akihiko Kanemoto, Kiyohiro Uehara, Yoshio Imai, Taro Hino +2 more | 1990-05-01 |
| 4820793 | Method of preparing aromatic polyamides and polybenzoxazoles | Yoshio Imai, Yoshiyuki Oishi, Yutaka Maruyama | 1989-04-11 |
| 4806618 | Aromatic polyethers having biphenylfluorene group | Yoshio Imai, Yutaka Maruyama, Toshio Koishi | 1989-02-21 |