Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485875 | Toner and resin composition for the toner | Hiroshi Yusa, Takashige Kasuya, Yoshihiro Ogawa | 2002-11-26 |
| 6300024 | Toner, two-component type developer, heat fixing method, image forming method and apparatus unit | Hiroshi Yusa, Satoshi Yoshida, Takashige Kasuya | 2001-10-09 |
| 6214509 | Toner and image forming method | Takashige Kasuya, Tsutomu Kukimoto, Satoshi Yoshida, Hiroshi Yusa, Manabu Ohno +3 more | 2001-04-10 |
| 6033817 | Toner for developing electrostatic image and image forming method | Hiroshi Yusa, Motoo Urawa, Keita Nozawa, Kazuo Maruyama | 2000-03-07 |
| 5912101 | Toner for forming an image, image forming method and heat-fixing method | Hiroshi Yusa, Takashige Kasuya, Kazuo Maruyama, Masao Takano | 1999-06-15 |
| 5840457 | Magnetic black toner and multi-color or full-color image forming method | Motoo Urawa, Keita Nozawa, Hiroshi Yusa, Takashige Kasuya, Kazuo Maruyama +1 more | 1998-11-24 |
| 5774771 | Image forming method and apparatus using a particular toner | Tsutomu Kukimoto, Motoo Urawa, Kenji Okado, Toshiyuki Ugai, Keita Nozawa +1 more | 1998-06-30 |