Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631116 | Carrier for electrophotographic use | Masafumi Uchida, Kishio Tamura | 1997-05-20 |
| 5527558 | Method for preparation of a carrier for developing an electrostatic charge image | Kishio Tamura, Masafumi Uchida | 1996-06-18 |