Inventor
Ryou Negishi
Inventor
Tokyo, JP
Overview
Patents· 7 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 transducer78%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
6,728,198'Optical information medium and recording method therefor'20046,721,265'High-density optical information recording medium and a substrate and a stamper for the manufacture thereof'20046,711,118'Optical information recording medium for recording optically reproducible signals thereon through the use of a recording laser beam and method for recording optical information thereon'20046,493,312'Optical information medium'20026,480,450'Method and apparatus for recording optical information by varying recording pulse width'20026,452,899'Optical information medium and recording method therefor'20025,895,697'Optical information medium'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2004Patents assigned to TAIYO YUDEN KK (7)· patent assignee history
1999–2004Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TAIYO YUDEN KK | 7 | 1999–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 1999–2004 |