Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376488 | Carrier for electrostatic image developer and process for the production thereof | Shigenori Kouno, Tomoyasu Umeno | 1994-12-27 |
| 5350656 | Carrier and a production method thereof for developing an electrostatic image | Shigenori Kouno, Yoshiaki Koizumi, Kenji Tsujita | 1994-09-27 |