Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320678 | Process for producing 4,4'-diamino-1,1,'-dianthraquinonyl pigments | Hiroki Inoue, Toshiaki Kishimoto, Iwao Sakaguchi, Kunitoshi Takahashi, Yoshiaki Hayashi | 1994-06-14 |
| 5274506 | Video recording and playback device with built-in video camera in an outer case compatible with existing tape cassette | Naoki Hashimoto, Shuzo Takeda, Kiyotsugu Hayashi, Hideaki Yoshio, Nobuaki Takagi +1 more | 1993-12-28 |
| 4472124 | Device for producing an information recording disk | Toshiaki Kashihara, Yoshihiro Okino | 1984-09-18 |
| 4449916 | Device for manufacturing information recording mediums | Toshiaki Kashihara, Yoshihiro Okino | 1984-05-22 |