Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461736 | Light-colored glass of high transmittance and method for production thereof, glass plate with electrically conductive film and method for production thereof, and glass article | Yukihito Nagashima, Akihiro Koyama, Isamu Kuroda, Masahiro Hirata, Koichiro Nakamura | 2002-10-08 |
| 6355353 | Glass substrate having transparent conductive film | Koichiro Kiyohara, Kiyotaka Ichiki | 2002-03-12 |
| 5296974 | Light controlling device and process for controlling light transmission | Hiroaki Tada, Yasuhiro Saito, Masahiro Hirata, Hideo Kawahara | 1994-03-22 |
| 4791418 | Signal light | Hideo Kawahara, Harunobu Yoshida | 1988-12-13 |