Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D491602 | Toner cartridge | Shinichi Otani | 2004-06-15 |
| 6711371 | Developing device having means to remove developer from a developer supplying member | Yoshitatsu Okiyama, Teruaki Kuroda | 2004-03-23 |
| 6560430 | Developing unit having an opening allowing toner to fall directly onto a developing member and supplying member contact area | Eisaku Muto, Noboru Ooishi, Shigenori Koido | 2003-05-06 |
| 5388092 | Echo canceller for two-wire full duplex digital data transmission | Kazuhiko Aizawa | 1995-02-07 |
| 5353279 | Echo canceler | — | 1994-10-04 |
| 5249179 | Echo canceller system suitable for a 2B1Q transmission code | — | 1993-09-28 |
| 4984250 | DC termination circuit for subscriber cables | — | 1991-01-08 |
| 4700364 | FSK with continuous phase and continuous slope at bit transitions | Tomohiro Miyazaki, Shinichi Koike | 1987-10-13 |