Patent Assignment
Reel/Frame 063573/0896
Assignment of Assignor's Interest
Recorded: 2023-05-08
Pages: 16
Assignor
AK OPTICS TECHNOLOGY CO., LTD.
Executed: 2023-05-05
Assignee
BEIJING ARYHAU TECHNOLOGY CO. LTD.
B701, BUILDING 8, NO. 97 CHANGPING ROAD, SHAHE TOWN, CHANGPING DISTRICT, BEIJING, 102206, CHINA
Covered Properties
(7)
Normal Incidence Broadband Spectroscopic Polarimeter and Optical Measurement System
Broadband Polarization Spectrometer with Inclined Incidence and Optical Measurement Sytem
Normal-Incidence Broadband Spectroscopic Polarimeter Containing Reference Beam and Optical Measurement System
Method for Conducting Optical Measurement Usingfull Mueller Matrix Ellipsometer
Apparatus and Method for Online and Real-Time Detection of Temperature of Epitaxial Wafer
Apparatus for Automatically and Quickly Detecting Two-Dimensional Morphology of Wafer Substrate in Real Time
Self-Calibration Apparatus and Method for Real-Time Temperature Measurement System of Mocvd Device
Related Assignments
(14)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 2, 2012
From: LI, GUOGUANG; LIU, TAO; GENIO, EDGAR; MA, TIEZHONG
To: BEIOPTICS TECHNOLOGY CO., LTD
Reel/Frame 029236/0284 →
Assignment of Assignor's Interest
Dec 3, 2012
From: LI, GUOGUANG; LIU, TAO; GENIO, EDGAR; MA, TIEZHONG
To: BEIOPTICS TECHNOLOGY CO., LTD
Reel/Frame 029393/0740 →
Assignment of Assignor's Interest
Jun 18, 2014
From: LI, GUOGUANG; LIU, TAO; ZHAO, JIANGYAN; GUO, QINGYANG
To: BEI OPTICS TECHNOLOGY CO., LTD.
Reel/Frame 033132/0456 →
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
Jan 10, 2019
From: YAN, DONG; LI, CHENGMIN; WANG, LINZI; LIU, JIANPENG
To: BEI OPTICS TECHNOLOGY COMPANY LIMITED
Reel/Frame 047961/0436 →
Assignment of Assignor's Interest
Jan 19, 2019
From: LIU, JIANPENG; ZHANG, TANG; LI, CHENGMIN
To: BEI OPTICS TECHNOLOGY COMPANY LIMITED
Reel/Frame 048063/0823 →
Assignment of Assignor's Interest
Jan 20, 2019
From: LI, CHENGMIN; YAN, DONG; WANG, LINZI; LIU, JIANPENG
To: BEI OPTICS TECHNOLOGY COMPANY LIMITED
Reel/Frame 048098/0744 →
Assignment of Assignor's Interest
Jul 15, 2019
From: BEI OPTICS TECHNOLOGY COMPANY LIMITED
To: AK OPTICS TECHNOLOGY CO., LTD.
Reel/Frame 049758/0913 →
Assignment of Assignor's Interest
Jul 15, 2019
From: BEI OPTICS TECHNOLOGY COMPANY LIMITED
To: AK OPTICS TECHNOLOGY CO., LTD.
Reel/Frame 049758/0922 →
Assignment of Assignor's Interest
Jul 15, 2019
From: BEI OPTICS TECHNOLOGY COMPANY LIMITED
To: AK OPTICS TECHNOLOGY CO., LTD.
Reel/Frame 050750/0875 →
Assignment of Assignor's Interest
Jul 15, 2019
From: BEI OPTICS TECHNOLOGY CO., LTD.
To: AK OPTICS TECHNOLOGY CO., LTD.
Reel/Frame 049758/0934 →
Assignment of Assignor's Interest
Jul 15, 2019
From: BEIOPTICS TECHNOLOGY CO., LTD.
To: AK OPTICS TECHNOLOGY CO., LTD.
Reel/Frame 050753/0021 →
Assignment of Assignor's Interest
Jul 15, 2019
From: BEIOPTICS TECHNOLOGY CO., LTD.
To: AK OPTICS TECHNOLOGY CO., LTD.
Reel/Frame 050751/0026 →
Assignment of Assignor's Interest
Jul 15, 2019
From: BEI OPTICS TECHNOLOGY COMPANY LIMITED
To: AK OPTICS TECHNOLOGY CO., LTD.
Reel/Frame 050887/0650 →