Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39811 | Musical information recording and reproducing technique for use with a recording medium having a UTOC area | Kazunobu Fujiwara, Kei Tanaka | 2007-09-04 |
| 6388982 | Spindle motor inclination angle adjusting mechanism in optical disk apparatus | — | 2002-05-14 |
| 6236636 | Spindle motor inclination angle adjusting mechanism in optical disk apparatus | — | 2001-05-22 |
| 6002659 | Disk drive device | Shinji Ohba, Hiroshi Sobukawa | 1999-12-14 |
| 5875168 | Pickup device for a disk drive device | Shinji Ohba, Hiroshi Sobukawa | 1999-02-23 |
| 5784349 | Musical information recording and reproducing technique for use with a recording medium | Kazunobu Fujiwara, Kei Tanaka | 1998-07-21 |
| 5724332 | Disk loading technique permitting loading of both a disk set in a disk loading adaptor and a naked disk | — | 1998-03-03 |
| 5602811 | Musical information recording and reproducing technique for use with a recording medium having a UTOC area | Kazunobu Fujiwara, Kei Tanaka | 1997-02-11 |
| 5590100 | Information recording/reproducing technique to record plural-channel information for subsequent simultaneous reproduction | Kazunobu Fujiwara | 1996-12-31 |
| RE33695 | Disc case | — | 1991-09-17 |
| 4802158 | Disc clamping device for a disc cartridge player | — | 1989-01-31 |
| 4777631 | Loading system for a disc cartridge case housing a disc in a disc playback device | Yasuhiko Kamoshita, Kazuo Urata | 1988-10-11 |
| 4739428 | Clamping device for a holder of a disc playback device | Yasuhiko Kamoshita, Kazuo Urata | 1988-04-19 |
| 4730296 | Loading device in a disc playback device | Kazuo Urata, Takuya Tamaru, Yasuhiko Kamoshita | 1988-03-08 |
| 4730299 | Device for preventing vibration of a disc motor shaft in a disc playback device | Yasuhiko Kamoshita, Kazuo Urata | 1988-03-08 |
| 4730300 | Disc centering device for a disc playback device | Yasuhiko Kamoshita, Kazuo Urata | 1988-03-08 |
| D293507 | Disc magazine case | — | 1988-01-05 |
| 4694448 | Disc case | Takuya Tamaru | 1987-09-15 |
| 4679182 | Disc playback device | Yasuhiko Kamoshita, Takuya Tamaru, Kazuo Urata | 1987-07-07 |
| 4669078 | Disc case | — | 1987-05-26 |
| 4646285 | Shutter plate control device in a disc playback device | Kazuo Urata, Takuya Tamaru, Yasuhiko Kamoshita | 1987-02-24 |
| 4627037 | Disc reproducing apparatus | Takuya Tamaru | 1986-12-02 |