Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654575 | Developer container having sealing member | Masatoshi Kato, Kanji Yokomori | 2003-11-25 |
| 6638599 | Magnetic recording medium | Kouichi Masaki | 2003-10-28 |
| 6630256 | Magnetic recording medium comprising a non-magnetic layer having inorganic particles of specific size and distribution | Masaki Suzuki, Masatoshi Takahashi, Hiroaki Takano | 2003-10-07 |
| 6607807 | Ferromagnetic metal powder and magnetic recording medium using the same | Noboru Zinbo | 2003-08-19 |