Patent Assignment
Reel/Frame 058506/0408
Assignment of Assignor's Interest
Recorded: 2021-12-30
Pages: 3
Assignor
ASAZUMA, TSUTOMU
Executed: 2021-11-30
Assignee
ROHM AND HAAS ELECTRONIC MATERIALS KK
SANNO PARK TOWER, 11-1 NAGATA-CHO 2-CHOME, CHIYODA-KU, TOKYO, 100-6111, JAPAN
Covered Property
(1)
Photoresist Compositions and Pattern Formation Methods
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 17, 2021
From: LIU, CONG; PARK, JONG KEUN; CAMERON, JAMES F.; LIU, SHENG
To: ROHM AND HAAS ELECTRONIC MATERIALS LLC
Reel/Frame 058132/0791 →
Assignment of Assignor's Interest
Nov 17, 2021
From: TANAKA, TSUTOMU
To: ROHM AND HAAS ELECTRONIC MATERIALS KK
Reel/Frame 058132/0807 →
Assignment of Assignor's Interest
Feb 10, 2022
From: ROHM AND HAAS ELECTRONIC MATERIALS KK
To: ROHM AND HAAS ELECTRONIC MATERIALS LLC
Reel/Frame 058977/0164 →
Change of Name
Oct 29, 2024
From: ROHM & HAAS ELECTRONIC MATERIALS LLC
To: DUPONT ELECTRONIC MATERIALS INTERNATIONAL, LLC
Reel/Frame 069272/0383 →
Security Interest
Nov 3, 2025
From: QNITY ELECTRONICS, INC.
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 073515/0243 →
Security Interest
Nov 3, 2025
From: QNITY ELECTRONICS, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 073517/0298 →