Tulip Memory Systems, Inc.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Aug 15, 2000 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 233 Total Citation Count
- Oct 04, 1991 Earliest Filing
- 15 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
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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Expired/Abandoned/Withdrawn Patents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
5961792 Method for making titanium or titanium-alloy substrate for magnetic-recording mediaExpiredApr 18, 97Oct 05, 99[C23C]
5900126 Method for manufacturing austenitic stainless steel substrate for magnetic-recording mediaExpiredJun 03, 96May 04, 99[C23C]
5855951 Method for making ceramic substrates for magnetic-recording mediaExpiredApr 18, 97Jan 05, 99[C23C]
5811182 Magnetic recording medium having a substrate and a titanium nitride underlayerExpiredOct 04, 91Sep 22, 98[G11B]
5707705 Titanium or titanium-alloy substrate for magnetic-recording mediaExpiredSep 08, 93Jan 13, 98[G11B]
5681635 Magnetic recording medium having a ceramic substrate, an underlayer having a dense fibrous zone T structure, and a magnetic layerExpiredJan 20, 94Oct 28, 97[G11B]
5635269 Precision-etched textured stop/start zone for magnetic-recording disksExpiredJan 19, 95Jun 03, 97[G11B]
5626920 Method for coating metal disc substrates for magnetic-recording mediaExpiredApr 21, 95May 06, 97[C23C, B05D]
5536549 Austenitic stainless steel substrate for magnetic-recording mediaExpiredAug 02, 93Jul 16, 96[C23C, G11B, B32B]
5490910 Circularly symmetric sputtering apparatus with hollow-cathode plasma devicesExpiredMar 06, 95Feb 13, 96[C23C]
5457298 Coldwall hollow-cathode plasma device for support of gas dischargesExpiredJul 27, 93Oct 10, 95[H01L, B23K]
5453168 Method for forming protective overcoatings for metallic-film magnetic-recording mediumsExpiredAug 25, 93Sep 26, 95[C23C]
5232569 Circularly symmetric, large-area, high-deposition-rate sputtering apparatus for the coating of disk substratesExpiredMar 09, 92Aug 03, 93[C23C]
Top Inventors for This Owner
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