Patent Assignment
Reel/Frame 010430/0868
Assignment of Assignor's Interest
Recorded: 1999-12-02
Pages: 3
Assignor
OBARA, YOSHIMI
Executed: 1999-09-30
Assignee
ASAHI KOGAKU KOGYO KABUSHKI KAISHA
ITABASHI-KU, 36-9, MAENOCHO 2-CHOME, TOKYO, JAPAN
Covered Property
(1)
Back-Surface Progressive Power Lens
Patent:
6,186,627 →
Application:
09/453,036 →
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 →