Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659841 | Electrostatic recording control method and electrostatic recording apparatus | Takao Umeda, Masayasu Anzai, Shinji Asai, Kozi Kato, Yoshihiro Gunji | 1997-08-19 |
| 5600405 | Bias cleaning system and electrostatic printing apparatus therewith and operating method thereof | Takao Umeda, Katsuya Kawai, Yosuke Saito, Masayasu Anzai, Masato Miwa +3 more | 1997-02-04 |