Patent Assignment
Reel/Frame 036528/0282
Merger
Recorded: 2015-09-10
Pages: 8
Assignor
PENTAX CORPORATION
Executed: 2008-03-31
Assignee
HOYA CORPORATION
2-7-5 NAKAOCHIAI, SHINJUKU-KU, TOKYO, JAPAN
Covered Properties
(31)
Method for Designing Diffractive Lenses
Patent:
5,978,140 →
Application:
08/956,197 →
Optical Pick-Up
Patent:
6,760,295 →
Application:
09/473,684 →
Optical System of Optical Pick-Up
Patent:
6,791,932 →
Application:
09/556,416 →
Plastic lens
Patent:
6,219,191 →
Application:
09/604,927 →
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 →
Refractive-Diffractive Hybrid Lens
Optical Lens for Optical Disc Drive with Aberration Supression Recording/Reproducing for Plurality of Optical Disc Types
Objective Lens for Optical Pick-Up
Optical System for Optical Head
Astigmatic Objective Lens for Optical Head
Objective Lens for Optical Head
Objective Lens Having Diffractive Structure for Optical Pick-Up
High Na Objective Lens for Optical Pick-Up
High Na 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 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
Objective Lens for Optical Pick-Up
Objective Lens for Optical Pick-Up
Objective Lens for Optical Pick-Up
Objective Lens
Objective Lens for Optical Disc
Pickup Lens
Patent:
480,384 →
Application:
29/155,626 →
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
Dec 29, 1999
From: MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 010509/0662 →
Assignment of Assignor's Interest
Apr 24, 2000
From: MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 010751/0952 →
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
Dec 27, 2000
From: MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 011396/0908 →
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
Oct 10, 2001
From: TAKEUCHI, SHUICHI; MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 012237/0715 →
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
Sep 6, 2002
From: MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
Reel/Frame 013267/0883 →
Assignment of Assignor's Interest
Sep 17, 2002
From: MARUYAMA, KOICHI
To: ASAHI KOGAKU KOGVO KABUSHIKI KAISHA
Reel/Frame 013298/0174 →
Assignment of Assignor's Interest
Nov 19, 2002
From: TAKEUCHI, SHUICHI; MARUYAMA, KOICHI
To: PENTAX CORPORATION
Reel/Frame 013507/0288 →
Change of Name
Feb 6, 2003
From: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
To: PENTAX CORPORATION
Reel/Frame 013737/0071 →
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 →
Assignment of Assignor's Interest
Oct 6, 2003
From: TAKISHIMA, SUGURU
To: PENTAX CORPORATION
Reel/Frame 014545/0252 →
Verified English Translation of Change of Name Document
Mar 15, 2004
From: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
To: PENTAX CORPORATION
Reel/Frame 015086/0929 →
Change of Name
May 7, 2004
From: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
To: PENTAX CORPORATION
Reel/Frame 015306/0783 →
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 015550/0930 →
Change of Name
Jul 9, 2004
From: ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
To: PENTAX CORPORATION
Reel/Frame 015551/0195 →