IP Library › Assignment 012175/0271
Patent Assignment
Reel/Frame 012175/0271

Assignment of Assignor's Interest

Recorded: 2001-09-18 Pages: 2
Assignors
TANAKA, TOSHIHIKO
Executed: 2001-06-18
HASEGAWA, NORIO
Executed: 2001-06-20
TERASAWA, TSUNEO
Executed: 2001-06-18
Assignee
HITACHI, LTD.
6, KANDA SURUGADAI 4-CHOME,, CHIYODA-KU, TOKYO, JAPAN
Covered Property (1)
Method of Manufacturing a Photomask
Patent: 6,667,135 →
Application: 09/953,962 →
Publication: US 2002/0022185
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 1, 2003
From: HITACHI, LTD.
To: RENESAS TECHNOLOGY CORPORATION
Reel/Frame 014573/0096 →
Assignment of Assignor's Interest Nov 28, 2006
From: HITACHI, LTD.
To: RENESAS TECHNOLOGY CORPORATION
Reel/Frame 018559/0281 →
Merger Sep 10, 2010
From: RENESAS TECHNOLOGY CORP.
To: RENESAS ELECTRONICS CORPORATION
Reel/Frame 024982/0148 →
Change of Address Nov 29, 2017
From: RENESAS ELECTRONICS CORPORATION
To: RENESAS ELECTRONICS CORPORATION
Reel/Frame 044928/0001 →