Patent Assignment
Reel/Frame 005941/0268
Assignment of Assignors Interest.
Recorded: 1991-12-13
Pages: 2
Assignor
ISOBE, TAMI
Executed: 1989-12-28
Assignee
RICOH COMPANY, LTD.
3-6, 1-CHOME NAKAMAGOME, OTA-KU, TOKYO, JAPAN
Covered Property
(1)
Method for Measuring Refractive Index of Thin Film Layer
Patent:
5,096,298 →
Application:
07/453,902 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.