Patent Assignment
Reel/Frame 010441/0444
Assignment of Assignor's Interest
Recorded: 1999-03-09
Pages: 2
Assignors
YASUI, KAN
Executed: 1999-01-21
MORIYAMA, SHIGEO
Executed: 1999-01-21
YAMAGUCHI, KATSUHIKO
Executed: 1999-01-21
HOMMA, YOSHIO
Executed: 1999-01-21
Assignee
HITACHI LTD.
6, KANDA SURUGADAI 4-CHOME CHIYODA-KU, TOKYO, JAPAN
Covered Property
(1)
Method for Working Semiconductor Wafer
Patent:
6,221,773 →
Application:
09/254,431 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.