Issued Patents All Time
Showing 26–50 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6205104 | Recording/reproducing apparatus for compressed data | Hideki Nagashima, Yasuaki Maeda, Hideo Obata, Tadao Yoshida, Kazuhiko Fujiie | 2001-03-20 |
| 6163327 | Image forming apparatus for controlling the period of rotational driving of each toner image carrier | Hirotaka Mori | 2000-12-19 |
| 6088315 | Disc recording and/or reproducing apparatus and its motor drive control circuit | — | 2000-07-11 |
| 5994932 | Phase locked loop circuit and reproducing apparatus provided with thereof | — | 1999-11-30 |
| 5995802 | Image forming apparatus | Hirotaka Mori | 1999-11-30 |
| 5963521 | Recording and/or reproducing method and apparatus with dubbing mode | Hideki Nagashima, Yasuaki Maeda, Hideo Obata, Tadao Yoshida, Kazuhiko Fujiie | 1999-10-05 |
| 5881346 | Image forming apparatus having rotational phase controller | Hirotaka Mori | 1999-03-09 |
| 5825984 | Image formation system | Hirotaka Mori | 1998-10-20 |
| 5818804 | Defect detecting circuit and reproducing apparatus having the defect detecting circuit | Hideo Obata, Kazuhiko Fujiie | 1998-10-06 |
| 5805546 | Recording or reproducing apparatus having a spindle servo control linked to laser power control | — | 1998-09-08 |
| 5745451 | Disc recording and/or reproducing apparatus | Hiroshi Mukawa, Hirotoshi Fujisawa | 1998-04-28 |
| 5706264 | Disc apparatus having servo circuits which compensate for fluctuations in power supply | — | 1998-01-06 |
| 5703851 | Clock reproducing device utilizing a frequency of wobble groove information | — | 1997-12-30 |
| 5703854 | Disc recording/reproduction apparatus and method for resetting an address control circuit to maximize an address margin of the memory | Hirokazu Kuroda | 1997-12-30 |
| 5691967 | Recording or reproducing apparatus having a spindle servo control runaway prevent feature | — | 1997-11-25 |
| 5600404 | Correction of misregistration in an image forming apparatus depending on multiple regions of a transfer belt | Hirotaka Mori | 1997-02-04 |
| 5587771 | Image sampling and color shift correction system in multiple image forming apparatus | Hirotaka Mori | 1996-12-24 |
| 5559769 | Recording/reproducing apparatus for both read-only and magneto-optical disc-shaped recording medium | Nobuhiko Ando, Kazuhiko Fujiie | 1996-09-24 |
| 5537387 | Information storage disk with display data recorded in a lead-in region and an apparatus for recording and/reproducing the disc | Tadao Yoshida, Katsuaki Tsurushima | 1996-07-16 |
| 5521900 | Disk having a lead-in region containing display data and an apparatus for recording and/or reproducing the disc | Tadao Yoshida, Katsuaki Tsurushima | 1996-05-28 |
| 5510885 | Color image forming apparatus | Hirotaka Mori | 1996-04-23 |
| 5511061 | Filter circuit, filtering method and disc rotation control method and apparatus | Yayoi Mochizuki | 1996-04-23 |
| 5479387 | Optical head including multiple photo detectors for reading signals and error signals for servoing from both a read-only recording medium and a magneto-optical recording medium | Nobuhiko Ando, Kazuhiko Fujiie | 1995-12-26 |
| 5453607 | Photodetector for recording/reproducing apparatus for both read only and magneto-optical disk shaped recording medium | Nobuhiko Ando, Kazuhiko Fujiie | 1995-09-26 |
| 5432766 | Circuit for varying a loop gain of a spindle servo | Kazuhiko Fujiie | 1995-07-11 |