Assignee
TULIP MEMORY SYSTEMS INC
US·15 granted patents·382 citations·filing 1991–1998
Top patents by PatentIndex Score
15 records- 0187US5453168AMethod for forming protective overcoatings for metallic-film magnetic-recording mediumsTULIP MEMORY SYSTEMS INC·Filed 1993·Granted Sep 26, 1995·34 cites·9 claims
- 0284US5490910ACircularly symmetric sputtering apparatus with hollow-cathode plasma devicesTULIP MEMORY SYSTEMS INC·Filed 1995·Granted Feb 13, 1996·46 cites·21 claims
- 0382US5635269APrecision-etched textured stop/start zone for magnetic-recording disksTULIP MEMORY SYSTEMS INC·Filed 1995·Granted Jun 3, 1997·44 cites·19 claims
- 0480US5681635AMagnetic recording medium having a ceramic substrate, an underlayer having a dense fibrous zone T structure, and a magnetic layerTULIP MEMORY SYSTEMS INC·Filed 1994·Granted Oct 28, 1997·25 cites·13 claims
- 0578US5457298AColdwall hollow-cathode plasma device for support of gas dischargesTULIP MEMORY SYSTEMS INC·Filed 1993·Granted Oct 10, 1995·51 cites·15 claims
- 0673US5536549AAustenitic stainless steel substrate for magnetic-recording mediaTULIP MEMORY SYSTEMS INC·Filed 1993·Granted Jul 16, 1996·28 cites·13 claims
- 0770US5900126AMethod for manufacturing austenitic stainless steel substrate for magnetic-recording mediaTULIP MEMORY SYSTEMS INC·Filed 1996·Granted May 4, 1999·27 cites·15 claims
- 0870US5232569ACircularly symmetric, large-area, high-deposition-rate sputtering apparatus for the coating of disk substratesTULIP MEMORY SYSTEMS INC·Filed 1992·Granted Aug 3, 1993·29 cites·27 claims
- 0967US5855951AMethod for making ceramic substrates for magnetic-recording mediaTULIP MEMORY SYSTEMS INC·Filed 1997·Granted Jan 5, 1999·17 cites·19 claims
- 1065US5624725AProtective overcoatings for magnetic-recording disksTULIP MEMORY SYSTEMS INC·Filed 1995·Granted Apr 29, 1997·15 cites·5 claims
- 1164US5811182AMagnetic recording medium having a substrate and a titanium nitride underlayerTULIP MEMORY SYSTEMS INC·Filed 1991·Granted Sep 22, 1998·10 cites·11 claims
- 1263US6103367ACoating of metal substrate for magnetic recording mediumTULIP MEMORY SYSTEMS INC·Filed 1998·Granted Aug 15, 2000·12 cites·13 claims
- 1363US5626920AMethod for coating metal disc substrates for magnetic-recording mediaTULIP MEMORY SYSTEMS INC·Filed 1995·Granted May 6, 1997·22 cites·21 claims
- 1461US5707705ATitanium or titanium-alloy substrate for magnetic-recording mediaTULIP MEMORY SYSTEMS INC·Filed 1993·Granted Jan 13, 1998·18 cites·17 claims
- 1535US5961792AMethod for making titanium or titanium-alloy substrate for magnetic-recording mediaTULIP MEMORY SYSTEMS INC·Filed 1997·Granted Oct 5, 1999·4 cites·22 claims
Join the waitlist — get patent alerts
Get an alert when TULIP MEMORY SYSTEMS INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →