Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697988 | Container management apparatus and wireless tag | Katsuya Watanabe | 2020-06-30 |
| RE42053 | Server apparatus, subscriber apparatus and information on demand system | — | 2011-01-18 |
| RE40141 | Recording medium cartridge and signal recording apparatus | Ichiro Kawamura, Yoshikazu Goto | 2008-03-04 |
| RE38848 | Recording medium cartridge and signal recording apparatus | Ichiro Kawamura, Yoshikazu Goto | 2005-10-25 |
| RE37659 | Recording medium cartridge and signal recording apparatus | Ichiro Kawamura, Yoshikazu Goto | 2002-04-16 |
| 5963523 | Optical recording medium discriminating apparatus using laser beams of different wavelengths | Hiroshi Kayama, Tetsuo Saimi | 1999-10-05 |
| 5854777 | Recording medium cartridge and signal recording apparatus | Ichiro Kawamura, Yoshikazu Goto | 1998-12-29 |
| 5790172 | Server apparatus, subscriber apparatus and information on demand system | — | 1998-08-04 |
| 5764622 | Recording medium cartridge and signal recording apparatus | Ichiro Kawamura, Yoshikazu Goto | 1998-06-09 |
| 5493457 | Optical disk apparatus with cooling arrangement | Ichirou Kawamura | 1996-02-20 |
| 5229983 | Bias magnetic field generating apparatus for magneto-optical recording and reproducing system | Ichiro Kawamura, Goro Naoki, Yukinori Okazaki | 1993-07-20 |
| 5216646 | Tracking system in recording/reproducing apparatus | Yukinori Okazaki | 1993-06-01 |
| 5208792 | Recording and reproducing apparatus using opto-magneto media | — | 1993-05-04 |
| 5195083 | Disc-shaped recording medium capable of recording data signals by means of light beam | Akira Kagata | 1993-03-16 |
| 5155716 | Servo system for optical recording/reproducing drive | Masayoshi Abe, Yasuhiro Tai | 1992-10-13 |
| 5105406 | Track-jumping servo apparatus for disc-shaped optical record medium | — | 1992-04-14 |
| 4953151 | Apparatus for detecting whether information is recorded on a storage device | — | 1990-08-28 |
| 4799206 | Tracking control apparatus for recording disc reproducing apparatus | — | 1989-01-17 |
| 4744074 | Disk-type recording medium | Masatsugu Tanji | 1988-05-10 |
| 4734904 | Reproducing-only and recordable-reproduceable optical discs and common optical disc player therefor | Yoshihiro Okino, Tetsuo Saimi | 1988-03-29 |
| 4351044 | Recording system using disk-shaped recording medium | Seizou Tsuji | 1982-09-21 |