Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874229 | Planar dimmer | Toshiyasu Ito, Takaaki Mori, Shigeyuki Takahashi, Mamoru Kato, Junichi Shimada +1 more | 1989-10-17 |
| 4832468 | Dimming window | Toshiyasu Ito, Takaaki Mori, Mikio Adachi | 1989-05-23 |