Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866672 | Information-recording thin film and method for recording and reproducing information | Tetsuya Nishida, Yasushi Miyauchi, Shinkichi Horigome | 1989-09-12 |
| 4855951 | Method for erasing recording in a PHB memory | Yasushi Tomioka, Shuji Imazeki, Masahiro Ojima, Yoshio Taniguchi | 1989-08-08 |
| 4817053 | Apparatus for storing and retrieving information using an electron beam | Tadashi Ikeda, Kazuo Shigematsu, Yasushi Miyauchi, Tetsuya Nishida, Shinkichi Horigome +2 more | 1989-03-28 |
| 4806952 | Information recording apparatus for recording/reproducing information by irradiating an information recording medium with an energy beam | Tetsuya Nishida, Yasushi Miyauchi, Shinkichi Horigome, Kazuo Shigematsu, Norio Ohta +2 more | 1989-02-21 |