Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6130018 | Carrier for use in development of electrostatic latent image and image forming apparatus using the carrier | Hideaki Kawata, Akinori Koyama | 2000-10-10 |
| 5834634 | Method and apparatus for measuring the toner concentration and the amount of electric charge of a two-component developing agent | Koji Honda, Haruo Koyama, Yusuke Ishitani | 1998-11-10 |
| 5670287 | Magnetic carrier for electrophotographic developing agent and method of producing the same | Hideaki Kawata, Tomohide Iida, Yoshiteru Hatase, Hidekazu Tamura | 1997-09-23 |
| 5514509 | Electrophotographic developer | Hideaki Kawata, Fumie Kimura, Seijiro Ishimaru | 1996-05-07 |
| 5272034 | Process for producing electrophotographic toner | Nobuyuki Tsuji, Takatomo Fukumoto, Kaoru Tanaka, Masanori Fujii, Atsushi Yamaguchi +2 more | 1993-12-21 |
| 5246809 | Carrier for a developing agent | Masatomi Funato, Hideaki Kawata, Koji Honda | 1993-09-21 |
| 5085964 | Carrier for developer | Hideaki Kawata, Masatomi Funato, Kiminori Umeda, Koji Honda | 1992-02-04 |
| 5079124 | Carrier for developer | Hideaki Kawata, Masatomi Funato, Koji Honda | 1992-01-07 |