IP Library › Assignment 025080/0085
Patent Assignment
Reel/Frame 025080/0085

Assignment of Assignor's Interest

Recorded: 2010-10-01 Pages: 2
Assignors
GUPTA, AMITAVA
Executed: 2010-08-25
BLUM, RONALD D.
Executed: 2010-08-25
Assignee
PIXELOPTICS
5241 VALLEYPARK DRIVE, ROANOKE, VIRGINIA, 24019
Covered Property (1)
Multifocal Ophthalmic Lens with Discontinuities
Patent: 8,434,864 →
Application: 12/859,649 →
Publication: US 2011/0058143
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 5, 2013
From: GUPTA, AMITAVA; BLUM, RONALD D.
To: PIXELOPTICS, INC.
Reel/Frame 030165/0244 →
Assignment of Assignor's Interest Jul 3, 2014
From: PIXELOPTICS, INC.
To: HPO ASSETS LLC
Reel/Frame 033240/0931 →
Assignment of Assignor's Interest Nov 4, 2014
From: HPO ASSETS LLC
To: MITSUI CHEMICALS, INC.
Reel/Frame 034099/0969 →
License Apr 19, 2023
From: MITSUI CHEMICALS, INC.
To: E-VISION, LLC; E-VISION SMART OPTICS, INC.
Reel/Frame 063376/0314 →
Assignment of Assignor's Interest Oct 25, 2023
From: MITSUI CHEMICALS, INC.
To: CARL ZEISS VISION INTERNATIONAL GMBH
Reel/Frame 065334/0851 →
Change of Address Oct 25, 2023
From: MITSUI CHEMICALS, INC.
To: MITSUI CHEMICALS, INC.
Reel/Frame 065345/0339 →