Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251834 | Traveling wire take-up method and its apparatus | Yoshio Ikegami, Tadashi Kouge, Hiroaki Aoyanagi | 1993-10-12 |
| 4941140 | Optical disc player | Takuro Ono, Noboru Aoyama | 1990-07-10 |
| 4914647 | Optical disc player | Takuro Ono, Noboru Aoyama | 1990-04-03 |
| 4890276 | Optical disc player | Takuro Ono, Noboru Aoyama | 1989-12-26 |
| 4734898 | Autochanger type disc player | — | 1988-03-29 |
| 4646187 | Cassette tape recorder | Seiji Tomita, Yoshihiro Kotoda | 1987-02-24 |
| 4625251 | Tape recorder | Seiji Tomita, Yoshihiro Kotoda | 1986-11-25 |
| 4562497 | Tape drive spindle | Hiroshi Kawakami, Yoshihiro Kotoda | 1985-12-31 |
| 4542430 | Tape recorder | Seiji Tomita, Yoshihiro Kotoda | 1985-09-17 |
| 4509157 | Disc player apparatus with an improved disc clamper | — | 1985-04-02 |
| 4499573 | Disc rotating apparatus | — | 1985-02-12 |
| 4443745 | Rotation signal detection device of DC motor with brushes | Akira Seino, Kazuo Takamori | 1984-04-17 |
| 4330801 | Tape recorder | Takamasa Kurafuzi | 1982-05-18 |