Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4732835 | Carrier for use in electrophotographic developers | Mitsuhiro Katayama, Kenkichi Hara, Kazuyoshi Oka, Ulf Engstrom | 1988-03-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4732835 | Carrier for use in electrophotographic developers | Mitsuhiro Katayama, Kenkichi Hara, Kazuyoshi Oka, Ulf Engstrom | 1988-03-22 |