IP Library › Assignment 009991/0963
Patent Assignment
Reel/Frame 009991/0963

Assignment of Assignor's Interest

Recorded: 1999-06-02 Pages: 3
Assignor
YAMAMOTO, CHIKARA
Executed: 1999-03-30
Assignee
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
36-9, MAENOCHO 2-CHOME, ITABASHI-KU, TOKYO, JAPAN
Covered Property (1)
Progressive Power Spectacle Lens
Patent: 6,354,704 →
Application: 09/271,454 →
Publication: US 2001/0030735
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 →