Patent Assignment
Reel/Frame 005056/0289
Assignment of Assignors Interest.
Recorded: 1989-03-21
Pages: 1
Assignors
AKIMOTO, HIROSHI
Executed: 1989-03-17
HITAKA, TAKENORI
Executed: 1989-03-17
MIWA, TETSUO
Executed: 1989-03-17
Covered Property
(1)
Pyrrolopyrimidine Derivatives, Their Production and Use
Patent:
4,997,838 →
Application:
07/326,901 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.