IPNEX

Licensable university IP

Density multiplication and improved lithography by directed block copolymer assembly

Density multiplication and improved lithography by directed block copolymer assembly is marketed for licensing by Wisconsin Alumni Research Foundation. It is documented in US patent US 9,183,870. The current assignee of record is Western Digital Technologies Inc. Google Patents reports its legal status as “Active” (an automated indicator, not a legal determination). Its expected expiration is 2031-03-21. Note: the patent's assignee of record is Western Digital Technologies Inc, not Wisconsin Alumni Research Foundation; confirm that Wisconsin Alumni Research Foundation can license it before relying on this listing.

The patent's current assignee of record is Western Digital Technologies Inc, which differs from the marketing institution (Wisconsin Alumni Research Foundation). Confirm licensing rights with the assignee of record before relying on this listing.

Patent picture

FieldValueReliabilitySource
US patentUS 9,183,87095%HighGoogle Patents
Patent titleDensity multiplication and improved lithography by directed block copolymer assembly90%HighGoogle Patents
Current assigneeWestern Digital Technologies Inc80%GoodGoogle Patents
Original assigneeHGST Netherlands BV85%GoodGoogle Patents
Legal statusActive70%ModerateGoogle Patents
Filing date2008-12-0590%HighGoogle Patents
Priority date2007-12-0790%HighGoogle Patents
Publication date2015-11-1090%HighGoogle Patents
Expected expiration2031-03-2175%ModerateGoogle Patents
Reliability of each field, at a glance:
  • High 90% and up
  • Good 80 to 89%
  • Moderate 70 to 79%
Hover a bar for the exact figure; the Source column links the citation.

Legal status is Google Patents' automated indicator, not a legal determination.

Joined to US 9,183,870 by its printed patent number (a deterministic match), then enriched from public Google Patents data. Fields are shown only where resolved against a public source; unresolved fields are omitted, never guessed.

Original listing

This technology is marketed for licensing by Wisconsin Alumni Research Foundation. View the original listing.