IP Library › Assignment 011558/0431
Patent Assignment
Reel/Frame 011558/0431

Assignment of Assignor's Interest

Recorded: 2001-02-14 Pages: 2
Assignors
MUKAI, KATSUJI
Executed: 1998-08-04
SUMITANI, YOSHIHIKO
Executed: 1998-08-04
ISHINOHACHI, TOSHIYUKI
Executed: 1998-08-04
Assignee
SUMITOMO OSAKA CEMENT CO., LTD.
CHIYODA-KU, 1, KANDA MITOSHIRO-CHO, TOKYO, JAPAN
Covered Property (1)
Semiconductor Memory Device
Patent: 6,522,590 →
Application: 09/783,109 →
Publication: US 2001/0040830
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 14, 2001
From: MATSUI, YOSHINORI; IKEDA, HIROAKI
To: NEC CORPORATION
Reel/Frame 011558/0423 →
Assignment Assigning 50% of Rights Jan 28, 2003
From: NEC CORPORATION
To: NEC ELECTRONICS CORPORATION
Reel/Frame 013702/0159 →