IP Library Assignment 018982/0181
Patent Assignment
Reel/Frame 018982/0181

Assignment of Assignor's Interest

Recorded: 2007-02-26 Pages: 2
Assignors
HATAYAMA, HIROSHI
Executed: 2006-12-13
SOGO, HIROSHI
Executed: 2006-12-13
Assignee
ASAHI KASEI CHEMICALS CORPORATION
1-2, YURAKU-CHO 1-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Property (1)
Microporous Polyolefin Film and Separator for Storage Cell
Patent: 9,203,072 →
Application: 11/661,147 →
Publication: US 2008/0096102
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Jan 21, 2025
From: ASAHI KASEI CHEMICALS CORPORATION
To: ASAHI KASEI KABUSHIKI KAISHA
Reel/Frame 069933/0317 →
Nunc Pro Tunc Assignment Jan 21, 2025
From: ASAHI KASEI KABUSHIKI KAISHA
To: ASAHI KASEI BATTERY SEPARATOR CORPORATION
Reel/Frame 069933/0495 →