Patent Assignment
Reel/Frame 023311/0282
Assignment of Assignor's Interest
Recorded: 2009-10-01
Pages: 6
Assignee
PEKING UNIVERSITY
NO. 5 YI HE YUAN ROAD, HAIDIAN DISTRICT, BEIJING, 100871, CHINA
Covered Property
(1)
Sample Based Tone Mapping Method for High Dynamic Range Images
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Jan 29, 2019
From: EMPIRE TECHNOLOGY DEVELOPMENT LLC
To: CRESTLINE DIRECT FINANCE, L.P.
Reel/Frame 048373/0217 →
Release of Security Interest
Jul 31, 2019
From: CRESTLINE DIRECT FINANCE, L.P.
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 049924/0794 →
Release of Security Interest in Patents, Recorded on January 29, 2019 at Reel 048373 Frame 0217
Sep 22, 2025
From: CRESTLINE DIRECT FINANCE, L.P., AS COLLATERAL AGENT
To: EMPIRE TECHNOLOGY DEVELOPMENT LLC
Reel/Frame 072936/0464 →