Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4963448 | Photorecording element and liquid crystal cell comprising the same | Kunihiro Ichimura, Yasuzo Suzuki, Takahiro Seki, Takashi Tamaki, Akira Hosoki +1 more | 1990-10-16 |
| 4678844 | Chelate, crosslinked polyethyleneimine resin having 2-hydroxy benzoyl group | Kunihiro Ichimura | 1987-07-07 |