Patent Assignment
Reel/Frame 057291/0855
Assignment of Assignor's Interest
Recorded: 2021-08-26
Pages: 3
Assignor
HIRONAKA, KOJI
Executed: 2021-06-21
Assignee
FUJIFILM CORPORATION
26-30, NISHIAZABU 2-CHOME, MINATO-KU,, TOKYO, 106-8620, JAPAN
Covered Property
(1)
POLYMER AND METHOD FOR PRODUCING THE SAME, GAS SEPARATION MEMBRANE, GAS SEPARATION MODULE, AND GAS SEPARATION APPARATUS USING THE POLYMER, AND m-PHENYLENEDIAMINE COMPOUND
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 29, 2026
From: FUJIFILM CORPORATION
To: YESTAR ADVANCED MATERIALS (HK) CO., LIMITED
Reel/Frame 075440/0386 →
Assignment of Assignor's Interest
Sep 17, 2026
From: YESTAR ADVANCED MATERIALS (HK) CO., LIMITED
To: YESTAR ADVANCED MATERIALS (SUZHOU) CO., LTD.
Reel/Frame 076045/0973 →