Patent Assignment
Reel/Frame 009978/0200
Assignment of Assignor's Interest
Recorded: 1999-05-21
Pages: 3
Assignor
SHIRAYANAGI, MORIYASU
Executed: 1999-04-21
Assignee
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
36-9, MAENOCHO 2-CHOME, ITABASHI, TOKYO, JAPAN
Covered Property
(1)
Method of Manufacturing Progressive Power Spectacle Lenses
Patent:
6,193,370 →
Application:
09/292,979 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 16, 2008
From: PENTAX CORPORATION
To: SEIKO OPTICAL PRODUCTS KABUSHIKI KAISHA (TRADING AS SEIKO OPTICAL PRODUCTS CO., LTD.)
Reel/Frame 021691/0025 →
Assignment of Assignor's Interest
Dec 22, 2016
From: SEIKO OPTICAL PRODUCTS CO.,LTD.
To: HOYA LENS THAILAND LTD.
Reel/Frame 040741/0245 →
Change of Address
Dec 22, 2016
From: SEIKO OPTICAL PRODUCTS CO.,LTD.
To: SEIKO OPTICAL PRODUCTS CO.,LTD.
Reel/Frame 041174/0192 →