Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5568237 | Toner box having axially spaced and trapezoidal, flexible agitating members | Kazuhito Ishida, Shinji Kimura | 1996-10-22 |
| 5506665 | Developing device having detachable toner box for use in image recording apparatus | Kazuhito Ishida, Shinji Kimura | 1996-04-09 |
| 5201507 | Cassette type sheet supplying device for using a plurality of standard cassettes or a single large cassette | — | 1993-04-13 |
| 5108084 | Sheet feeder provided with both automatic sheet feeding function and manual sheet feeding function | Shigeo Ishikawa, Seijiro Kadowaki, Fumio Morita, Hirokazu Kishimoto | 1992-04-28 |
| 5106072 | Sheet feeding device | Toshiaki Sugiura, Shigeo Ishikawa, Hikaru Kaga | 1992-04-21 |
| 5052673 | Sheet feeding device | Shigeo Ishikawa, Toshiaki Sugiura, Hikaru Kaga | 1991-10-01 |
| 4908632 | Thermal printing apparatus | Shigeo Ishikawa, Akira Ninomiya | 1990-03-13 |