Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888753 | Information recording medium capable of accurately detecting the recording and reproduction starting positions and an information recording-reproducing method and apparatus therefor | Masahiko Enari, Akio Aoki, Machiko Matsushita, Kazuo Minoura | 1989-12-19 |
| 4848291 | Heat-insulating piston structure | Hideo Kawamura | 1989-07-18 |
| 4845399 | Laminated piezoelectric transducer | Eturo Yasuda, Hiroyuki Yoshida, Yoichi Kotanshi, Yasushi Sawada | 1989-07-04 |
| 4838235 | Heat-insulating engine structure and method of manufacturing the same | Hideo Kawamura | 1989-06-13 |
| 4831243 | Information memory apparatus for reading out information from a moving recording medium | Masahiko Enari, Akio Aoki, Kazuo Minoura | 1989-05-16 |
| 4813920 | V belt with blocks | Masahiro Inukai | 1989-03-21 |
| 4796842 | Swivel support structure for an electric apparatus | Takashi Hamada, Teruyuki Hino, Takashi Nodama | 1989-01-10 |