Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5204772 | Electrically responsive light controlling device | Masahiro Hirata, Hiroaki Ida, Yasuhiro Saito, Hideo Kawahara | 1993-04-20 |
| 4770901 | Process for formation of tin oxide film | Yukihiro Katoh, Hideo Kawahara, Hironobu Yamamoto | 1988-09-13 |
| 4500567 | Method for forming tin oxide coating | Yukihiro Kato, Hideo Kawahara | 1985-02-19 |