Inventor
Mitsuhiro Otokawa
Inventor
Kanagawa, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer79%
H04NPictorial communication, e.g. television14%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%
PatentTitleYear
5,229,891'Tracking control system using single frequency pilot signal'19935,091,897'Magneto-optical recording apparatus having means for delaying an input signal for preventing bit shift'19925,010,424'Recording apparatus for an information signal with a plural kinds of pilot signals using a plurality of heads'19915,004,965'Brushless motor with torque compensation'19914,951,162'Tracking control system with pilot signal phase setting circuitry'19904,905,108'Rotary head type reproducing apparatus with tracking control function'19904,897,739'Multi-channel recording apparatus using a plurality of heads in turn'19904,879,609'Rotary head type recording apparatus having an erasing function based on recording mode'19894,843,491'Recording and reproducing apparatus with track pitch detection'19894,825,307'Information signal recording apparatus'19894,802,031'Tracking control using signals reproduced by erase head'19894,785,360'Recording and reproducing apparatus having tracking control responsive to erase head scanning'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1993Patents assigned to CANON KK (12)· patent assignee history
1988–1992Based in Yokohama, JP· patent location history
1989–1993Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 12 | 1988–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 9 | 1989–1993 |
| Yokohama, JP | 3 | 1988–1992 |