SONY PRECISION TECHNOLOGY INC.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Mar 23, 2004 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 66 Total Citation Count
- Oct 28, 1997 Earliest Filing
- 8 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6711109 Method and apparatus for measuring the eccentricity of diskExpiredAug 31, 00Mar 23, 04[G11B]
6707775 Method and apparatus for measuring crosstalk of optical discExpiredMay 11, 00Mar 16, 04[G11B]
6541747 Focal mechanism and method for controlling focal point position, and apparatus and method for inspecting semiconductor waferExpiredSep 14, 00Apr 01, 03[G02B]
6409380 Dew formation prediction method and apparatus, environment air temperature estimating method and apparatus and recording and/or reproducing apparatusExpiredApr 26, 00Jun 25, 02[G01N]
6373239 Position detecting apparatus utilizing a magnetic scale and sensorExpiredAug 02, 00Apr 16, 02[G01B]
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