Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5849451 | Electrophotographic dry toner comprising inorganic particles | Yuka Ishihara, Chiaki Suzuki, Tetsu Torigoe, Takayoshi Aoki | 1998-12-15 |
| 5422214 | Dry toner for developing electrostatic latent image, process for producing same, and image formation process using same | Reiko Akiyama, Chiaki Suzuki, Takayoshi Aoki | 1995-06-06 |
| 5378572 | Electrophotographic dry toner and process for producing the same | Reiko Akiyama, Chiaki Suzuki, Takayoshi Aoki | 1995-01-03 |
| 5340678 | Dry tower for developing electrostatic image, process for producing same, and image formation method using same | Chiaki Suzuki, Yuka Ishihara, Takayoshi Aoki, Seiichi Takagi, Toshiyuki Yano +1 more | 1994-08-23 |
| 5178984 | Electrophotographic toner | Ikutaroh Nagatsuka, Takayoshi Aoki | 1993-01-12 |
| 5176979 | Electrophotographic toner having a surface treated silica particle | Ikutaroh Nagatsuka, Takayoshi Aoki | 1993-01-05 |