Inventor
Yoshinobu Usui
Inventor
Kanagawa, JP
Overview
Patents· 15 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 transducer63%
H03MCoding21%
H03KPulse technique4%
H04HBroadcast communication4%
H04JMultiplex communication4%
H04NPictorial communication, e.g. television4%
PatentTitleYear
8,164,992'Optical disc medium and data recording method and apparatus'20127,852,730'Optical disk medium, and data recording method and device'20107,437,649'Data recording method and device'20087,324,423'Data recording method recorder and data reproducing method and device'20087,304,932'Data recording medium, and data recording method and device'20077,289,046'Data recording medium, data recording method and device, and encode method and device'20077,272,098'Data recording apparatus and associated methodology of affecting a digital sum variance'20077,236,439'Optical disc medium and data recording method and apparatus'20077,233,267'Digital data recording medium, recording method, recording device, reproduction method, and reproduction device'20077,221,636'Data recording apparatus and associated method of imparting data to a recording medium by irradiating a reflectivity layer of the medium'20077,215,260'Data recording medium, data recording method, and device'20077,203,141'Recording medium, recording method, recording device, and reproduction method and reproducer'20077,054,238'Signal shaping circuit'20067,054,244'Modulation signal generator for producing original disc of optical disc'20065,343,193'Matrix switcher apparatus'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2010Patents assigned to SONY CORP (7)· patent assignee history
1994–2012Based in Kanagawa, JP· patent location history
2006–2012Patents assigned to SONY DISC & DIGITAL SOLUTIONS (8)· patent assignee history
2007Patents assigned to SONY DISC & DIGITAL SLOUTIONS (1)· patent assignee history
2012Patents assigned to SAITO AKIYA (1)· patent assignee history
2012Patents assigned to TSUKAHARA MAKOTO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY DISC & DIGITAL SOLUTIONS | 8 | 2006–2012 |
| SONY CORP | 7 | 1994–2010 |
| SAITO AKIYA | 1 | 2012 |
| SONY DISC & DIGITAL SLOUTIONS | 1 | 2007 |
| TSUKAHARA MAKOTO | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 15 | 1994–2012 |