Patent Assignment
Reel/Frame 050887/0650
Assignment of Assignor's Interest
Recorded: 2019-07-15
Pages: 3
Assignor
BEI OPTICS TECHNOLOGY COMPANY LIMITED
Executed: 2019-07-10
Assignee
AK OPTICS TECHNOLOGY CO., LTD.
ROOM 503, BLOCK B, XINYUAN SCIENCE PARK, NO. 97 CHANGPING ROAD, CHANGPING DISTRICT, BEIJING, 102206, CHINA
Covered Property
(1)
Method for Conducting Optical Measurement Usingfull Mueller Matrix Ellipsometer
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 10, 2019
From: LIU, TAO; CUI, GAOZENG; LI, GUOGUANG; XIONG, WEI
To: BEI OPTICS TECHNOLOGY COMPANY LIMITED
Reel/Frame 047960/0919 →
Assignment of Assignor's Interest
May 8, 2023
From: AK OPTICS TECHNOLOGY CO., LTD.
To: BEIJING ARYHAU TECHNOLOGY CO. LTD.
Reel/Frame 063573/0896 →