Patent Assignment
Reel/Frame 019352/0487
Correction to the Assignor on Reel 019017 and Frame 0911
Recorded: 2007-05-25
Pages: 6
Assignors
ONO, 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
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.