Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7049037 | Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner | Kohki Katoh, Masanori Suzuki, Masahide Yamashita, Akihiro Kotsugai, Toyoshi Sawada +1 more | 2006-05-23 |
| 6852459 | Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner | Kohki Katoh, Masanori Suzuki, Masahide Yamashita, Akihiro Kotsugai, Toyoshi Sawada +1 more | 2005-02-08 |
| 5429901 | Toner for use in electrostatic development | Kenkichi Muto, Akihiro Kotsugai | 1995-07-04 |