Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700616 | Developer for developing an electrostatic image and image forming method | Takashige Kasuya, Osamu Tamura, Hiroshi Yusa, Takakuni Kobori | 1997-12-23 |
| 5663026 | Magnetic toner, process cartridge and image forming method | Takashige Kasuya, Hiroyuki Suematsu, Koichi Tomiyama, Hiroshi Yusa, Takakuni Kobori | 1997-09-02 |