Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679491 | Toner used for developing an electrostatic charge image | Tomomi Oshiba, Kenji Yamane, Hatsumi Yamada | 1997-10-21 |
| 5637431 | Developer for electrophotography | Kenji Yamane, Tomomi Oshiba | 1997-06-10 |
| 5604574 | Electrophotographic image-forming method | Katsumi Matsuura, Yoshihiko Etoh | 1997-02-18 |