Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6103441 | Color toner for electrophotography | Masami Tomita, Hiroyuki Fushimi, Yohichiroh Watanabe | 2000-08-15 |
| 6074795 | Toner for developing electrostatic latent image | Yohichiroh Watanabe, Noboru Kuroda, Kohsuke Suzuki | 2000-06-13 |
| 5576393 | Polymer particles, method of producing the same, and toner for use in electrophotography comprising the polymer particles | Hiroshi Yamashita, Hiromitsu Kawase | 1996-11-19 |
| 5541031 | Polymer particles and toner for electrophotography using the polymer particles | Hiroshi Yamashita, Hiromitsu Kawase | 1996-07-30 |