Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771569 | Recording medium, editing method and editing apparatus | Osamu Nagata, Hirokazu Imazeki | 2004-08-03 |
| 6567349 | Recording medium, editing method and editing apparatus | Osamu Nagata, Hirokazu Imazeki | 2003-05-20 |
| 6256274 | Data erasure preventing method and circuit thereof and optical disc apparatus mounting the same | Tetsuji Nakazawa | 2001-07-03 |
| 6052346 | Methods and apparatus for recording data on and deleting already recorded data from a recording medium | Hiroshi Yamaguchi | 2000-04-18 |
| RE36218 | Disc recording/reproducing apparatus having a servo system capable of successively recording and reproducing tracks on a disc irrespective of turbulence of the servo system due to a disturbance | Yasuaki Maeda, Tadao Yoshida | 1999-06-01 |
| 5859815 | Apparatus and methods for minimizing non-recordable areas and numbers of parts per track on a digital recording medium | Hiraku Inoue | 1999-01-12 |
| 5831955 | Decoder/encoder capable of controlling data reading/writing operations to memory in response to first/second clocks, reproducing apparatus equipped with encoder/decoder, and recording apparatus equipped with encoder | Han Min-Jae | 1998-11-03 |
| 5825732 | Rotation control circuit based on the mean value of run length code generation patterns reproducing apparatus equipped with the rotation control circuit | — | 1998-10-20 |
| 5774434 | Methods and apparatus for recording data on and deleting already recorded data from a recording medium | Hiroshi Yamaguchi | 1998-06-30 |
| 5740140 | Data reproducting apparatus with controlled comparator for reducing connection error of main data with corresponding absolute time data | Shozo Masuda, Kenichi Kabasawa, Tohru Kadono | 1998-04-14 |
| 5694383 | Decoder/encoder capable of controlling data reading/writing operations to memory in response to first/second clocks, reproducing apparatus equipped with encoder/decoder, and recording apparatus equipped with encoder | Han Min-Jae | 1997-12-02 |
| 5596558 | Data reproducing apparatus with controlled comparator for reducing connection error of main data with corresponding error correction decoded data | Shozo Masuda, Kenichi Kabasawa, Tohru Kadono | 1997-01-21 |
| 5237575 | Error correction coded digital data reproducing apparatus | Yasuaki Maeda | 1993-08-17 |
| 5214631 | Disc recording/reproducing apparatus having a servo system capable of successively recording and reproducing tracks on a disc irrespective of turbulence of the servo system due to a disturbance | Yasuaki Maeda, Tadao Yoshida | 1993-05-25 |