Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670287 | Magnetic carrier for electrophotographic developing agent and method of producing the same | Hideaki Kawata, Tomohide Iida, Yoshiteru Hatase, Hidekazu Tamura | 1997-09-23 |