Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625885 | Mobile communication system having pagers for providing two-way data communication between a base station and mobile stations | Isao Nakazawa | 1997-04-29 |
| 5606390 | Visual-line detecting device and optical apparatus having the same | Takashi Arai, Kitahiro Kaneda, Tatsuya Yamazaki | 1997-02-25 |
| 5402278 | Method for recording a positioning signal on a magnetic recording disk and apparatus for recording the same | — | 1995-03-28 |
| 5381287 | Hard disc drive | Kazushige Kawazoe | 1995-01-10 |
| 4868924 | Cassette loading device | Masahiro Ando, Kazunori Kashimura, Takahide Sasaki, Kouichi Chikamoto, Koji Takahasi +1 more | 1989-09-19 |