Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311497 | Pickup feeding apparatus for a double-sided reproducing disc player | Hideki Okii, Minoru Otsuka | 1994-05-10 |
| 4773057 | Apparatus for reproducing selectively loaded discs of different diameters | Minoru Otsuka, Kazuto Naganuma, Keiji Maruta, Akihiro Yamada, Shigeru Miyazaki +2 more | 1988-09-20 |
| 4755978 | Disc player | Hiroyuki Urushibata, Yoshiaki Kumagai | 1988-07-05 |
| 4464743 | Record playing apparatus | Takao Izumi, Makoto Kodama | 1984-08-07 |
| 4196907 | Record player | Toshio Sato, Makoto Kodama, Shiro Yasuda | 1980-04-08 |