Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8026033 | Ferrite carrier for electrophotographic developer and electrophotographic developer | Hiromichi Kobayashi, Takao Sugiura | 2011-09-27 |
| 7964330 | Electrophotographic resin-coated ferrite carrier, method for producing the same, and electrophotographic developer | Issei Shinmura | 2011-06-21 |
| 7897317 | Method for producing core material of electrophotographic ferrite carrier and resin-coated ferrite carrier | Issei Shinmura | 2011-03-01 |