Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874229 | Planar dimmer | Toshiyasu Ito, Jun Minoura, Shigeyuki Takahashi, Mamoru Kato, Junichi Shimada +1 more | 1989-10-17 |
| 4837906 | Rolling roll with variable profile and of the tapered piston type | Kinichi Higuchi, Tsukasa Oyauchi, Masao Nitanda, Kohei HOSOI, Isao Imai +2 more | 1989-06-13 |
| 4832468 | Dimming window | Toshiyasu Ito, Jun Minoura, Mikio Adachi | 1989-05-23 |