Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338638 | Toner for developing electrostatic image and process for production thereof | Koichi Tomiyama, Masayoshi Kato, Tsutomu Kukimoto, Hiroshi Yusa | 1994-08-16 |
| 5319424 | Developer for developing electrostatic image, image forming method, electrophotographic apparatus, apparatus unit, and facsimile apparatus | Koichi Tomiyama, Masayoshi Kato, Tsutomu Kukimoto, Hiroshi Yusa | 1994-06-07 |
| 5298354 | Electrostatic image developing toner and fixing method | Satoshi Matsunaga, Takashige Kasuya, Hiroaki Kawakami, Yusuke Karami, Shinji Doi | 1994-03-29 |
| 5270143 | Developer for developing electrostatic image, image forming method, electrophotographic apparatus, apparatus unit, and facsimile apparatus | Koichi Tomiyama, Masayoshi Kato, Tsutomu Kukimoto, Hiroshi Yusa | 1993-12-14 |
| 5215845 | Image forming method and image forming apparatus | Hiroshi Yusa, Kohichi Tomiyama, Masayoshi Kato, Tsutomu Kukimoto | 1993-06-01 |
| 5135833 | Electrostatic image developing toner and fixing method | Satoshi Matsunaga, Takashige Kasuya, Hiroaki Kawakami, Yusuke Karami, Shinji Doi | 1992-08-04 |