IP Library Assignment 022501/0031
Patent Assignment
Reel/Frame 022501/0031

Assignment of Assignor's Interest

Recorded: 2009-04-03 Pages: 4
Assignors
HATAYAMA, HIROSHI
Executed: 2009-02-13
SOGO, HIROSHI
Executed: 2009-02-13
Assignee
ASAHI KASEI CHEMICALS CORPORATION
1-105 KANDA JINBOCHO, CHIYODA-KU, TOKYO, 101-8101, JAPAN
Covered Property (1)
Polyolefin Microporous Membrane and Separator for Nonaqueous Electrolyte Battery
Patent: 9,722,225 →
Application: 12/442,355 →
Publication: US 2010/0009265
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 →