Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668050 | Solar cell manufacturing method | — | 1997-09-16 |
| 5619316 | Image forming apparatus | Hisashi Shoji, Hidetoshi Yano, Tsukuru Kai, Yoshiko Ishii, Nobuto Yokokawa +1 more | 1997-04-08 |
| 5606408 | Image forming apparatus and cleaning device therefor | Hidetoshi Yano, Hisashi Shoji, Tsukuru Kai, Osamu Endo, Yoshiko Ishii +5 more | 1997-02-25 |