Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5995467 | Disc recording and/or reproducing apparatus with a liftable optical pickup apparatus and coordinated lens shutter | Yoshinori Yamamoto | 1999-11-30 |
| 5835317 | Cleaning device for magnetic tape recording and/or reproducing apparatus | Kenji Kawakami | 1998-11-10 |
| RE34927 | Magnetic tape cassette with tape protective closure and lock mechanism | Hiroshi Meguro, Yoshinori Yamamoto, Kenichi Horikawa, Shigeru Mizusawa, Kenji Kawakami | 1995-05-02 |
| 5162956 | Cassette holder assembly having multiple projections differentiated in dimension | Masashi Emori | 1992-11-10 |
| 5126909 | Slider lock braking mechanism for setting modes in tape player | Tatsuya Mototake, Yutaka Fukuyama | 1992-06-30 |
| 4935895 | Magnetic tape cassette loading system in recording and/or reproducing apparatus | — | 1990-06-19 |
| 4908723 | Compact recording and/or reproducing apparatus with oblique rotary head | Tsuyoshi Nagasawa | 1990-03-13 |
| 4881137 | Magnetic tape cassette with tape protective closure and lock mechanism | Hiroshi Meguro, Yoshinori Yamamoto, Kenichi Horikawa, Shigeru Mizusawa, Kenji Kawakami | 1989-11-14 |
| 4843510 | Magnetic tape cassette with tape protective closure and lock mechanism | Hiroshi Meguro, Yoshinori Yamamoto, Kenichi Horikawa, Shigeru Mizusawa, Kenji Kawakami | 1989-06-27 |
| 4816953 | Tape cassette with groove engageable with loading hook | Yoshinori Yamamoto, Kenichi Horikawa, Kenji Kawakami | 1989-03-28 |
| 4799117 | Magnetic tape cassette loading system in recording and/or reproducing apparatus | — | 1989-01-17 |
| 4777546 | Cassette-type magnetic tape recording and/or reproducing apparatus with single motor for tape loading and unloading and for pinch roller actuation | Tsuyoshi Nagasawa, Yoshinori Yamamoto, Yutaka Fukuyama | 1988-10-11 |
| 4694360 | Tape cassette with concave engagement portion and player with hook engageable therewith | Yoshinori Yamamoto, Kenichi Horikawa, Kenji Kawakami | 1987-09-15 |
| 4685008 | Magnetic recording and/or reproducing apparatus with tape loading and reel braking mechanisms which are controlled in common | — | 1987-08-04 |
| 4641210 | Magnetic recording and reproducing apparatus | — | 1987-02-03 |