Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D433407 | Drum for video tape recorder | Kenji Kobayashi, Mitsutoshi Kanetsuka, Yoshiaki Haba, Yoshiteru Kawakami | 2000-11-07 |
| 4773057 | Apparatus for reproducing selectively loaded discs of different diameters | Minoru Otsuka, Kazuto Naganuma, Keiji Maruta, Akihiro Yamada, Kazuyuki Takizawa +2 more | 1988-09-20 |