Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751693 | Memory disk apparatus | — | 1988-06-14 |
| 4641294 | Method and apparatus for performing a memory operation on a fixed length block of data on a memory disk | — | 1987-02-03 |
| 4607956 | Position detecting apparatus | Atsushi Ishihara | 1986-08-26 |
| 4500926 | Data-recording apparatus | — | 1985-02-19 |
| 4498107 | Document information filing system | Kazuki Yamamoto | 1985-02-05 |
| 4446492 | Information recording system | — | 1984-05-01 |
| 4439797 | Recording tape for use in a recording and reproducing apparatus | Mitsuo Yamashita, Junichi Daigo | 1984-03-27 |
| 4394696 | Apparatus for positioning magnetic head to position corresponding to reference track on magnetic tape | — | 1983-07-19 |
| 4357638 | Index information recording method for picture information filing system | Kazuhiko Iida | 1982-11-02 |
| 4298269 | Recordable reader printer and electrostatic copier | Yasuhiro Sato, Mitsuo Yamashita | 1981-11-03 |