Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656751 | Dichroic crystal | Hiromitsu Tanaka, Arimitsu Usuki, Kazuo Tojima, Atsushi Shirasawa, Ai Kobayashi | 1997-08-12 |
| 5645758 | Liquid crystal composition, liquid crystal device using the same, light controlling element, recording medium, and light shutter | Masaya Kawasumi, Arimitsu Usuki, Akane Okada | 1997-07-08 |
| 5646284 | Polarizable phenanthroline complex crystal having improved stability to heat and moisture | Arimitsu Usuki, Narihito Tatsuda, Akane Okada, Toshio Kurauchi, Hiromitsu Tanaka +4 more | 1997-07-08 |