IP Library › Assignment 019017/0911
Patent Assignment
Reel/Frame 019017/0911

Assignment of Assignor's Interest

Recorded: 2007-02-20 Pages: 5
Assignors
ON, TOSHIAKI
Executed: 2007-02-16
UMENO, SHIGERU
Executed: 2007-02-16
SUGIMURA, WATARU
Executed: 2007-02-16
HOURAI, MASATAKA
Executed: 2007-02-16
Assignee
SUMCO CORPORATION
2-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO, JAPAN
Covered Property (1)
Silicon single crystal wafer for IGBT and method for manufacturing silicon single crystal wafer for IGBT
Patent: 8,617,311 →
Application: 11/708,771 →
Publication: US 2007/0193501
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Correction to the Assignor on Reel 019017 and Frame 0911 May 25, 2007
From: ONO, TOSHIAKI; UMENO, SHIGERU; SUGIMURA, WATARU; HOURAI, MASATAKA
To: SUMCO CORPORATION
Reel/Frame 019352/0487 →