Patent Assignment
Reel/Frame 011762/0624
Assignment of Assignor's Interest
Recorded: 2001-05-01
Pages: 5
Assignors
MARUYAMA, KOICHI
Executed: 2001-04-12
SHIMANO, TAKESHI
Executed: 2001-03-26
NAKAMURA, SHIGERU
Executed: 2001-03-21
ARIMOTO, AKIRA
Executed: 2001-03-29
SHIGEMATSU, KAZUO
Executed: 2001-03-22
Assignees
HITACHI, LTD.
6, KANDA-SURUGADAI 4-CHOME, CHIYODA-KU,, TOKYO 101-8010, JAPAN
ASHAHI KOGAKU KOGYO KABUSHIKI KAISHA
36-9, MAENOCHO 2-CHOME, ITABASHI-KU,, TOKYO, JAPAN
Covered Property
(1)
Optical Lens for Optical Disc Drive with Aberration Supression Recording/Reproducing for Plurality of Optical Disc Types
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 16, 2004
From: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
To: PENTAX CORPORATION
Reel/Frame 015464/0212 →
Assignment of Assignor's Interest
Jan 31, 2008
From: HITACHI, LTD.
To: PENTAX CORPORATION
Reel/Frame 020442/0872 →
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 →