Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6541174 | Method using toner and developer for developing electrostatic image | Hirohide Tanikawa, Toshiaki Nakahara, Keita Nozawa, Kazuyoshi Hagiwara, Minoru Shimojo +2 more | 2003-04-01 |
| 6187496 | Toner and developer for developing electrostatic image, process for production thereof and image forming method | Hirohide Tanikawa, Toshiaki Nakahara, Keita Nozawa, Kazuyoshi Hagiwara, Minoru Shimojo +2 more | 2001-02-13 |
| 6077638 | Toner and developer for developing electrostatic image, process for production thereof and image forming method | Hirohide Tanikawa, Toshiaki Nakahara, Keita Nozawa, Kazuyoshi Hagiwara, Minoru Shimojo +2 more | 2000-06-20 |