US 8,231,966 · Application 12/393,333
US Patent 8,231,966 — assignment history and current owner
Anti-reflection Coating And Its Production Method
Who owns US Patent 8,231,966?
US8231966 ("Anti-reflection Coating And Its Production Method") — current assignee: KEIO UNIVERSITY; HOYA CORPORATION. Status: Active, estimated expiration March 18, 2030. 2 recorded USPTO assignments.
Based on recorded USPTO assignment data, the apparent operating assignee of US Patent 8,231,966 is KEIO UNIVERSITY; HOYA CORPORATION. Based on the most recent ownership transfer record (recorded 2009-04-23).
- Patent title
- Anti-reflection Coating And Its Production Method
- Application number
- 12/393,333
- Apparent operating assignee
- KEIO UNIVERSITY; HOYA CORPORATION
- Patent status
- Active, estimated expiration March 18, 2030
- Recorded assignments
- 2
Recorded assignment history
| Executed | Recorded | Conveyance | Assignor(s) | Assignee(s) | Reel/frame |
|---|---|---|---|---|---|
| Mar 25, 2009 | Apr 23, 2009 | Ownership Transfer | NAKAYAMA, HIROYUKI; SUZUKI, MINETA; YAMADA, KAZUHIRO; SHIOKAWA, TAKANOBU; IMAI, HIROAKI | KEIO UNIVERSITY; HOYA CORPORATION | 22586/264 |
| Oct 3, 2011 | Nov 4, 2011 | Other | HOYA CORPORATION | PENTAX RICOH IMAGING COMPANY, LTD. | 27176/673 |
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Chain of title
In 2009, NAKAYAMA, HIROYUKI; SUZUKI, MINETA (+3 more) assigned the patent to KEIO UNIVERSITY; HOYA CORPORATION.
Apparent recorded rights summary — disclaimer
This tool presents recorded assignment data from the USPTO assignment database. It does not constitute a legal opinion on ownership or title. Assignments may exist that have not been recorded. Corrective records, off-record transfers, court orders, and other events may affect actual ownership. Consult a qualified patent attorney for definitive title analysis.
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Application 12/393,333 · US 8,231,966
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Data sourced from public USPTO assignment records. This tool provides informational summaries and should not be relied upon as legal advice or a definitive title opinion. Always verify patent ownership independently, especially where unrecorded transfers, court orders, or other off-record events may apply.