Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6288166 | Binder resin for toner and positively chargeable toner containing the same | Yasuhiro Hidaka, Katsutoshi Aoki, Hiroyuki Kawaji, Masayuki Maruta | 2001-09-11 |
| 5683845 | Positively chargeable toner for nonmagnetic one-component developing method | Jun Shimizu, Masayuki Maruta | 1997-11-04 |
| 5637430 | Nonmagnetic one-component toner | Jun Shimizu, Yasuhiro Hidaka, Masayuki Maruta | 1997-06-10 |
| 5503954 | Nonmagnetic one-component toner and method for producing the same | Masayuki Maruta, Yasuhiro Hidaka | 1996-04-02 |