Patent Assignment
Reel/Frame 028177/0505
Correction to the Recordation Cover Sheet of the Assignment Recorded at 009489/0638 on 10/06/1998
Recorded: 2012-05-08
Pages: 3
Assignors
TERAO, YOSHITAKA
Executed: 1998-08-11
NOMOTO, TSUTOMU
Executed: 1998-08-11
NISHIKI, AKIHIKO
Executed: 1998-08-11
Assignee
OKI ELECTRIC INDUSTRY CO., LTD.
7-12, TORANOMON 1-CHOME, MINATO-KU, TOKYO, JAPAN
Covered Property
(1)
Optical Filter Fabrication Method Using Fiber Holder with Spiral Groove and Phase Mask with Spiral Diffraction Grating
Patent:
6,174,648 →
Application:
09/109,904 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 5, 2012
From: OKI ELECTRIC INDUSTRY CO., LTD.
To: CHAIPARA PTE., L.L.C.
Reel/Frame 028316/0245 →
Merger
Jan 4, 2016
From: CHAIPARA PTE., L.L.C.
To: CHEMTRON RESEARCH LLC
Reel/Frame 037404/0258 →
Assignment of Assignor's Interest
Jan 4, 2020
From: INTELLECTUAL VENTURES ASSETS 158 LLC
To: HANGER SOLUTIONS, LLC
Reel/Frame 051486/0425 →
Assignment of Assignor's Interest
Jan 29, 2020
From: CHEMTRON RESEARCH LLC
To: INTELLECTUAL VENTURES ASSETS 158 LLC
Reel/Frame 051754/0027 →
Assignment of Assignor's Interest
Feb 1, 2020
From: CHEMTRON RESEARCH LLC
To: INTELLECTUAL VENTURES ASSETS 158 LLC
Reel/Frame 051776/0952 →