Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372399 | Developing agent, image forming apparatus | — | 2002-04-16 |
| 6333132 | Toner for two-component developer and color image forming apparatus | — | 2001-12-25 |
| 5155532 | Method for developing an electrostatic latent image | Masahisa Sakurada, Sachiko Yasuda | 1992-10-13 |
| 5148218 | Image forming apparatus with a humidity detector | Rintaro Nakane, Jiro Egawa, Naruhito Yoshida, Toshihiro Kasai, Kunihiko Miura +1 more | 1992-09-15 |
| 5114823 | Developing method for electrostatic images | Mitsuaki Kohyama | 1992-05-19 |
| 4943504 | Method for developing an electrostatic latent image | Sachiko Yasuda | 1990-07-24 |
| 4833059 | Developing method using one-component non-magnetic toner with positive frictional charge | Tetsuo Okuyama, Mitsunaga Saito, Tsutomu Uehara | 1989-05-23 |
| 4656965 | Developing apparatus | Masahiro Hosoya, Tsutomu Uehara | 1987-04-14 |
| 4628860 | Developing apparatus | Masahiro Hosoya, Tsutomu Uehara | 1986-12-16 |