Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892594 | Photovoltaic element | Minori Yamaguchi, Isamu Shimizu | 1990-01-09 |
| 4850681 | Optical modulation device | Masao Yamanobe, Yasuyuki Watanabe, Hajime Sakata, Yukitoshi Ohkubo, Tomoyuki Umezawa +5 more | 1989-07-25 |
| 4670334 | Transparent electroconductive film | Isamu Shimizu | 1987-06-02 |
| 4605285 | Electrochromic device | Isamu Shimizu | 1986-08-12 |
| 4438972 | Operating mechanism for operating a sliding and tilting roof-panel | Yoshinori Katayama, Tsunetoshi Nishimaki | 1984-03-27 |