IP Library › Assignment 012732/0531
Patent Assignment
Reel/Frame 012732/0531

Assignment of Assignor's Interest

Recorded: 2002-03-28 Pages: 3
Assignors
TAKEUCHI, SHUICHI
Executed: 2002-03-23
MARUYAMA, KOICHI
Executed: 2002-03-27
Assignee
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
36-9, MAENOCHO 2-CHOME, ITABASHI-KU, TOKYO, JAPAN
Covered Property (1)
Objective Lens Having Diffractive Structure for Optical Pick-Up
Patent: 6,807,019 →
Application: 10/107,133 →
Publication: US 2003/0053223
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jul 9, 2004
From: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
To: PENTAX CORPORATION
Reel/Frame 015550/0930 →
Merger Sep 10, 2015
From: PENTAX CORPORATION
To: HOYA CORPORATION
Reel/Frame 036528/0282 →
Assignment of Assignor's Interest Feb 29, 2016
From: HOYA CORPORATION
To: KONICA MINOLTA, INC.
Reel/Frame 037851/0237 →