Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4536320 | Nematic liquid crystalline composition | Tsutomu Nishizawa, Ryoichi Tukahara, Tuneo Hidaka | 1985-08-20 |
| 4473486 | Composition for liquid crystal color display elements | Ryoichi Tukahara, Tsutomu Nishizawa, Tuneo Hidaka | 1984-09-25 |
| 4360447 | Composition for liquid crystal color display elements | Ryoichi Tukahara, Tsutomu Nishizawa, Tuneo Hidaka | 1982-11-23 |
| 4304683 | Composition for liquid crystal color display element | Ryoichi Tukahara, Tsutomu Nishizawa, Tuneo Hidaka | 1981-12-08 |