Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5747122 | Antiferroelectric liquid crystal cell | Norio Yamamoto, Takayuki Fujikawa, Yoshiichi Suzuki | 1998-05-05 |
| 5235030 | Aromatic copolyamide from naphthalene dicarboxylic acids | — | 1993-08-10 |
| 5102982 | Aromatic polyamide from 2,7-naphthalene dicarboxylic acid or derivative | — | 1992-04-07 |
| 4992619 | Process for separating methyl substituted naphthalene by crystallization under pressure | Shinji Aihara, Hiroshi Takeshita, Harumasa Tanabe, Masami Takao, Hitoshi Hatakeyama | 1991-02-12 |