Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845021 | Method for recording optical information in optical high density recording mediums | Jinsei Miyazaki, Eiji Ando, Kimiaki Yoshino | 1989-07-04 |
| 4794068 | Optical recording medium | Jinsei Miyazaki, Eiji Ando, Kimiaki Yoshino | 1988-12-27 |
| 4737427 | Optical high density recording mediums, method for making same and method for recording optical information in the medium | Jinsei Miyazaki, Eiji Ando, Kimiaki Yoshino | 1988-04-12 |
| 4725460 | Optical filter and the method of preparing the same | Yoshihiro Matsuo, Shoichi Ishihara, Seiichi Nagata, Tetsu Ogawa | 1988-02-16 |
| 4686169 | Optical recording medium and production of the same | Kimiaki Yoshino, Eiji Ando, Jinsei Miyazaki | 1987-08-11 |
| 4472336 | Method of manufacturing video disc | Yoshio Enoki | 1984-09-18 |
| 4232869 | Pickup cartridge | Takashi Wakabayashi | 1980-11-11 |