Patent Assignment
Reel/Frame 037851/0237
Assignment of Assignor's Interest
Recorded: 2016-02-29
Pages: 6
Assignor
HOYA CORPORATION
Executed: 2016-02-08
Assignee
KONICA MINOLTA, INC.
2-7-2, MARUNOUCHI, CHIYODA-KU,, TOKYO, 100-7015, JAPAN
Covered Properties
(41)
Method for Designing Diffractive Lenses
Patent:
5,978,140 →
Application:
08/956,197 →
Objective Lens for Optical Pick-Up
Patent:
6,191,889 →
Application:
09/321,544 →
Objective Lens for Optical Pick-Up
Patent:
6,118,594 →
Application:
09/339,901 →
Optical Disc Apparatus
Patent:
6,473,387 →
Application:
09/655,880 →
Objective Lens for Optical Pick-Up
Patent:
6,480,344 →
Application:
09/716,291 →
Optical System for Optical Head
Objective Lens for Optical Pick-Up
Optical Lens for Optical Disc Drive with Aberration Supression Recording/Reproducing for Plurality of Optical Disc Types
Optical Disc Drive
Objective Lens for Optical Pick-Up
Optical System for Optical Head
Astigmatic Objective Lens for Optical Head
Objective Lens for Optical Pick-Up
Objective Lens Having Diffractive Structure for Optical Pick-Up
Objective Lens for Optical Pick-Up
Objective Lens for Optical Pick-Up
Patent:
6,781,764 →
Application:
10/298,611 →
Objective Lens for Optical Pick-Up
Objective Lens for Optical Pickup
Optical System with Objective Lens Having Diffraction Structure
Optical Disc Drive Having a Movable Aberration Correcting Lens
Objective Lens for Optical Pick-Up
Optical System of Optical Pick-Up
Objective Lens for Optical Discs
Objective Lens for Optical Discs
Optical System of Optical Pick-Up
Beam Splitting System and Optical Information Read/Write Device
Optical System of Optical Pick-Up
Objective Lens
Objective Lens
Objective Lens
Design Method of Optical Element and Optical Element Through Which a Plurality of Light Beams Having Different Design Wavelengths Pass
Optical Disc Drive and Objective Lens for the Same
Optical Disc Drive Having a Mechanism to Reduce the Noise Level of a Focus Error Signal
Optical Disk Drive
Objective Lens for Optical Pick-Up
Objective Lens
Objective Lens and Optical Information Recording/Reproducing Apparatus
Tilt Angle Adjustment Method for Objective Lens and Optical Information Recording/Reproducing Apparatus
Objective Lens and Optical Information Recording/Reproducing Apparatus
Optical Element and Objective Lens Through Which a Plurality of Light Beams Having Different Design Wavelengths Pass
Optical Information Recording/Reproducing Apparatus and Objective Optical System for the Same
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 22, 1997
From: MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 008866/0763 →
Assignment of Assignor's Interest
May 28, 1999
From: MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 010016/0232 →
Assignment of Assignor's Interest
Jun 25, 1999
From: MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 010075/0823 →
Assignment of Assignor's Interest
Oct 31, 2000
From: MARUYAMA, KOICHI; YAMANOUCHI, TAKASHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 011278/0788 →
Assignment of Assignor's Interest
Nov 21, 2000
From: MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 011318/0286 →
Assignment of Assignor's Interest
Nov 29, 2000
From: MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 011317/0001 →
Assignment of Assignor's Interest
Dec 27, 2000
From: MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 011396/0879 →
Assignment of Assignor's Interest
Apr 16, 2001
From: MARUYAMA, KOICHI; SHIMANO, TAKESHI; NAKAMURA, SHIGERU; ARIMOTO, AKIRA
To: HITACHI, LTD.; ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 011710/0492 →
Assignment of Assignor's Interest
May 1, 2001
From: MARUYAMA, KOICHI; SHIMANO, TAKESHI; NAKAMURA, SHIGERU; ARIMOTO, AKIRA
To: HITACHI, LTD.; ASHAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 011762/0624 →
Assignment of Assignor's Interest
Aug 1, 2001
From: MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 012045/0316 →
Assignment of Assignor's Interest
Sep 26, 2001
From: TAKEUCHI, SHUICHI; MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 012205/0190 →
Assignment of Assignor's Interest
Oct 2, 2001
From: YAMANOUCHI, TAKASHI; MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 012225/0629 →
Assignment of Assignor's Interest
Mar 5, 2002
From: TAKEUCHI, SHUICHI; MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 012671/0138 →
Assignment of Assignor's Interest
Mar 28, 2002
From: TAKEUCHI, SHUICHI; MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 012732/0531 →
Assignment of Assignor's Interest
Jun 12, 2002
From: MARUYAMA, KOICHI; TAKEUCHI, SHUICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 013001/0196 →
Assignment of Assignor's Interest
Nov 19, 2002
From: TAKEUCHI, SHUICHI; MARUYAMA, KOICHI
To: PENTAX CORPORATION
Reel/Frame 013507/0288 →
Assignment of Assignor's Interest
Apr 1, 2003
From: MARUYAMA, KOICHI; YAMANOUCHI, TAKASHI
To: PENTAX CORPORATION
Reel/Frame 013927/0302 →
Assignment of Assignor's Interest
May 7, 2003
From: TAKEUCHI, SHUICHI; MARUYAMA, KOICHI; KOREEDA, DAISUKE
To: PENTAX CORPORATION
Reel/Frame 014044/0701 →
Change of Name
Jun 3, 2003
From: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
To: PENTAX CORPORATION
Reel/Frame 014132/0732 →
Change of Name
Jul 2, 2003
From: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
To: PENTAX CORPORATION
Reel/Frame 014230/0579 →
Assignment of Assignor's Interest
Aug 20, 2003
From: TAKEUCHI, SHUICHI
To: PENTAX CORPORATION
Reel/Frame 014432/0358 →
Verified English Translation of Change of Name Document
Apr 5, 2004
From: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
To: PENTAX CORPORATION
Reel/Frame 015181/0837 →
Change of Name
Jun 14, 2004
From: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
To: PENTAX CORPORATION
Reel/Frame 015455/0269 →
Assignment of Assignor's Interest
Jun 16, 2004
From: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
To: PENTAX CORPORATION
Reel/Frame 015464/0212 →
Change of Name
Jul 9, 2004
From: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
To: PENTAX CORPORATION
Reel/Frame 015551/0195 →