Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6021295 | Developing apparatus | Eiji Ochiai, Shigeki Tsukahara, Naoki Date | 2000-02-01 |
| 5824445 | Process for producing image and two-component developer | Eiji Ochiai, Hiroyoshi Tode | 1998-10-20 |