Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833721 | Image processing apparatus | Masatoshi Okutomi, Mitsuhiro Tokuhara | 1989-05-23 |
| 4797327 | Surface treated metal member, preparation method thereof and photoconductive member by use thereof | Mitsuru Honda, Keiichi Murai, Kyosuke Ogawa | 1989-01-10 |