Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11950049 | Acoustic reflector, speaker unit, and chair | Takahiro Hayasaka, Daisaku Matsufuji | 2024-04-02 |
| 11477556 | Sound collecting device | Ryutaro Watanabe, Toru Nakagawa, Go Igarashi | 2022-10-18 |
| 5708538 | Drive arrangement for both a cassette loading mechanism and a tape loading mechanism of a recording and reproducing apparatus | Toyomi Fujino, Hideki Nonoyama | 1998-01-13 |
| 5596561 | Shifting device and loading device for disc-shaped recording medium | — | 1997-01-21 |
| 5293550 | Cassette loading mechanism for a recording and reproducing apparatus | Hideki Nonoyama, Toyomi Fujino | 1994-03-08 |
| 5022023 | Disc drive arrangement for CD player and the like capable of loading different size discs | — | 1991-06-04 |
| 4794588 | Optical disk player | You Yoshitoshi, Ryoji Takamatsu | 1988-12-27 |
| 4731777 | Optical disk player | You Yoshitoshi, Ryoji Takamatsu, Yoshiro Watanabe | 1988-03-15 |
| 4628498 | Disc loading apparatus for use in a disc player | Ryoji Takamatsu, Kouji Umezawa | 1986-12-09 |
| 4592039 | Disc player | Yoshiro Watanabe | 1986-05-27 |