Koichi Maruyama

Person

Saitama-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical element and objective lens through which a plurality of lig...
- Patent number 8,705,331
- Issue date Apr 22, 2014
- Hoya Corporation
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Mask fabrication supporting method, mask blank providing method, an...
- Patent number 8,627,239
- Issue date Jan 7, 2014
- Hoya Corporation
- Hiroyuki Ishida
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Imaging optical system and imaging apparatus
- Patent number 8,570,668
- Issue date Oct 29, 2013
- Hoya Corporation
- Yutaka Takakubo
- G02 - OPTICS
Information Patent Grant
Mask fabrication supporting method, mask blank providing method, an...
- Patent number 8,196,070
- Issue date Jun 5, 2012
- Hoya Corporation
- Hiroyuki Ishida
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Design method of optical element and optical element through which...
- Patent number 8,116,187
- Issue date Feb 14, 2012
- Hoya Corporation
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens
- Patent number 8,072,694
- Issue date Dec 6, 2011
- Hoya Corporation
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Assembling method for optical system of optical pick-up
- Patent number 7,920,444
- Issue date Apr 5, 2011
- Hoya Corporation
- Yoshiyuki Tashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording/reproducing device, optical element f...
- Patent number 7,872,958
- Issue date Jan 18, 2011
- Hoya Corporation
- Yoshiyuki Tashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens and optical system for optical pick-up
- Patent number 7,839,751
- Issue date Nov 23, 2010
- Hoya Corporation
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc drive and objective lens for the same
- Patent number 7,839,752
- Issue date Nov 23, 2010
- Hoya Corporation
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens for optical pick-up
- Patent number 7,821,906
- Issue date Oct 26, 2010
- Hoya Corporation
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens and optical information read/write device
- Patent number 7,742,370
- Issue date Jun 22, 2010
- Hoya Corporation
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc drive and objective lens for the same
- Patent number 7,738,345
- Issue date Jun 15, 2010
- Hoya Corporation
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Mask fabrication supporting method, mask blank providing method, an...
- Patent number 7,660,456
- Issue date Feb 9, 2010
- Hoya Corporation
- Hiroyuki Ishida
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical pickup, optical element, and information reproducing appara...
- Patent number 7,468,942
- Issue date Dec 23, 2008
- Pioneer Corporation
- Katsuhiro Koike
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens
- Patent number 7,433,291
- Issue date Oct 7, 2008
- Hoya Corporation
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pick-up and objective lens for use with different types of...
- Patent number 7,430,159
- Issue date Sep 30, 2008
- Hoya Corporation
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens
- Patent number 7,414,948
- Issue date Aug 19, 2008
- Hoya Corporation
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical system of optical pick-up
- Patent number 7,339,876
- Issue date Mar 4, 2008
- PENTAX Corporation
- Kenzo Yamanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens
- Patent number 7,280,276
- Issue date Oct 9, 2007
- PENTAX Corporation
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens for optical pick-up
- Patent number 7,239,598
- Issue date Jul 3, 2007
- PENTAX Corporation
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens for optical pickup
- Patent number 7,224,662
- Issue date May 29, 2007
- PENTAX Corporation
- Shuichi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical system for optical head
- Patent number 7,158,468
- Issue date Jan 2, 2007
- PENTAX Corporation
- Shuichi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens for optical pick-up
- Patent number 7,106,525
- Issue date Sep 12, 2006
- PENTAX Corporation
- Shuichi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
High NA objective lens for optical pick-up
- Patent number 7,054,254
- Issue date May 30, 2006
- PENTAX Corporation
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens for optical pick-up
- Patent number 7,038,862
- Issue date May 2, 2006
- PENTAX Corporation
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens for optical disc
- Patent number 7,035,193
- Issue date Apr 25, 2006
- PENTAX Corporation
- Shuichi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens for optical pick-up
- Patent number 6,982,838
- Issue date Jan 3, 2006
- PENTAX Corporation
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical system of optical pick-up
- Patent number 6,900,949
- Issue date May 31, 2005
- PENTAX Corporation
- Shuichi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical system for optical pickup employing coma compensating element
- Patent number 6,898,024
- Issue date May 24, 2005
- PENTAX Corporation
- Shuichi Takeuchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
MASK FABRICATION SUPPORTING METHOD, MASK BLANK PROVIDING METHOD, AN...
- Publication number 20120260222
- Publication date Oct 11, 2012
- HOYA CORPORATION
- Hiroyuki Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGING OPTICAL SYSTEM AND IMAGING APPARATUS
- Publication number 20120075726
- Publication date Mar 29, 2012
- HOYA CORPORATION
- Yutaka TAKAKUBO
- G02 - OPTICS
Information Patent Application
IMAGING OPTICAL SYSTEM AND IMAGING APPARATUS
- Publication number 20120075727
- Publication date Mar 29, 2012
- HOYA CORPORATION
- Yutaka TAKAKUBO
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT AND OBJECTIVE LENS THROUGH WHICH A PLURALITY OF LIG...
- Publication number 20120075979
- Publication date Mar 29, 2012
- HOYA CORPORATION
- Koichi MARUYAMA
- G02 - OPTICS
Information Patent Application
MASK FABRICATION SUPPORTING METHOD, MASK BLANK PROVIDING METHOD, AN...
- Publication number 20100178597
- Publication date Jul 15, 2010
- Hiroyuki ISHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ASSEMBLING METHOD FOR OPTICAL SYSTEM OF OPTICAL PICK-UP
- Publication number 20080279057
- Publication date Nov 13, 2008
- HOYA CORPORATION
- Yoshiyuki TASHIRO
- G11 - INFORMATION STORAGE
Information Patent Application
OBJECTIVE LENS
- Publication number 20080165436
- Publication date Jul 10, 2008
- PENTAX CORPORATION
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE, OPTICAL ELEMENT F...
- Publication number 20070274190
- Publication date Nov 29, 2007
- PENTAX CORPORATION
- Yoshiyuki TASHIRO
- G11 - INFORMATION STORAGE
Information Patent Application
Mask fabrication supporting method, mask blank providing method, an...
- Publication number 20070178387
- Publication date Aug 2, 2007
- HOYA CORPORATION
- Hiroyuki Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL DISC DRIVE AND OBJECTIVE LENS FOR THE SAME
- Publication number 20070070860
- Publication date Mar 29, 2007
- PENTAX CORPORATION
- Daisuke KOREEDA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISC DRIVE AND OBJECTIVE LENS FOR THE SAME
- Publication number 20070014211
- Publication date Jan 18, 2007
- PENTAX CORPORATION
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Application
OBJECTIVE LENS AND OPTICAL INFORMATION READ/WRITE DEVICE
- Publication number 20060280061
- Publication date Dec 14, 2006
- PENTAX CORPORATION
- Daisuke Koreeda
- G02 - OPTICS
Information Patent Application
Objective lens and optical system for optical pick-up
- Publication number 20060181978
- Publication date Aug 17, 2006
- PENTAX CORPORATION
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Application
Method of optical element and objective lens
- Publication number 20060114796
- Publication date Jun 1, 2006
- PENTAX CORPORATION
- Koichi Maruyama
- G02 - OPTICS
Information Patent Application
Objective lens for optical pick-up
- Publication number 20050281173
- Publication date Dec 22, 2005
- PENTAX CORPORATION
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pick-up for optical disc device
- Publication number 20050157624
- Publication date Jul 21, 2005
- PENTAX CORPORATION
- Dalsuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens for optical disc
- Publication number 20050152259
- Publication date Jul 14, 2005
- PENTAX CORPORATION
- Shuichi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens for optical pick-up
- Publication number 20050078593
- Publication date Apr 14, 2005
- PENTAX CORPORATION
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens
- Publication number 20050073937
- Publication date Apr 7, 2005
- PENTAX CORPORATION
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens
- Publication number 20050057811
- Publication date Mar 17, 2005
- PENTAX CORPORATION
- Daisuke Koreeda
- G02 - OPTICS
Information Patent Application
Objective lens
- Publication number 20050041561
- Publication date Feb 24, 2005
- PENTAX CORPORATION
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens for optical pick-up
- Publication number 20050002118
- Publication date Jan 6, 2005
- PENTAX CORPORATION
- Koichi Maruyama
- G02 - OPTICS
Information Patent Application
Objective lens for optical pick-up
- Publication number 20040246873
- Publication date Dec 9, 2004
- PENTAX CORPORATION
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup, optical element, and information reproducing apparatus
- Publication number 20040223442
- Publication date Nov 11, 2004
- PIONEER CORPORATION
- Katsuhiro Koike
- G11 - INFORMATION STORAGE
Information Patent Application
Optical system of optical pick-up
- Publication number 20040213132
- Publication date Oct 28, 2004
- PENTAX CORPORATION
- Kenzo Yamanaka
- G11 - INFORMATION STORAGE
Information Patent Application
Optical system of optical pick-up
- Publication number 20040150892
- Publication date Aug 5, 2004
- PENTAX CORPORATION
- Shuichi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens for optical pick-up
- Publication number 20040136096
- Publication date Jul 15, 2004
- PENTAX CORPORATION
- Shuichi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens for optical pickup
- Publication number 20030231407
- Publication date Dec 18, 2003
- PENTAX CORPORATION
- Daisuke Koreeda
- G02 - OPTICS
Information Patent Application
Objective lens for optical pickup
- Publication number 20030210639
- Publication date Nov 13, 2003
- PENTAX CORPORATION
- Shuichi Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens for optical pick-up
- Publication number 20030189772
- Publication date Oct 9, 2003
- PENTAX CORPORATION
- Koichi Maruyama
- G02 - OPTICS

Koichi Maruyama

Person

Patents Grantslast 30 patents

Optical element and objective lens through which a plurality of lig...

Mask fabrication supporting method, mask blank providing method, an...

Imaging optical system and imaging apparatus

Mask fabrication supporting method, mask blank providing method, an...

Design method of optical element and optical element through which...

Objective lens

Assembling method for optical system of optical pick-up

Optical information recording/reproducing device, optical element f...

Objective lens and optical system for optical pick-up

Optical disc drive and objective lens for the same

Objective lens for optical pick-up

Objective lens and optical information read/write device

Optical disc drive and objective lens for the same

Mask fabrication supporting method, mask blank providing method, an...

Optical pickup, optical element, and information reproducing appara...

Objective lens

Optical pick-up and objective lens for use with different types of...

Objective lens

Optical system of optical pick-up

Objective lens

Objective lens for optical pick-up

Objective lens for optical pickup

Optical system for optical head

Objective lens for optical pick-up

High NA objective lens for optical pick-up

Objective lens for optical pick-up

Objective lens for optical disc

Objective lens for optical pick-up

Optical system of optical pick-up

Optical system for optical pickup employing coma compensating element

Patents Applicationslast 30 patents

MASK FABRICATION SUPPORTING METHOD, MASK BLANK PROVIDING METHOD, AN...

IMAGING OPTICAL SYSTEM AND IMAGING APPARATUS

IMAGING OPTICAL SYSTEM AND IMAGING APPARATUS

OPTICAL ELEMENT AND OBJECTIVE LENS THROUGH WHICH A PLURALITY OF LIG...

MASK FABRICATION SUPPORTING METHOD, MASK BLANK PROVIDING METHOD, AN...

ASSEMBLING METHOD FOR OPTICAL SYSTEM OF OPTICAL PICK-UP

OBJECTIVE LENS

OPTICAL INFORMATION RECORDING/REPRODUCING DEVICE, OPTICAL ELEMENT F...

Mask fabrication supporting method, mask blank providing method, an...

OPTICAL DISC DRIVE AND OBJECTIVE LENS FOR THE SAME

OPTICAL DISC DRIVE AND OBJECTIVE LENS FOR THE SAME

OBJECTIVE LENS AND OPTICAL INFORMATION READ/WRITE DEVICE

Objective lens and optical system for optical pick-up

Method of optical element and objective lens

Objective lens for optical pick-up

Optical pick-up for optical disc device

Objective lens for optical disc

Objective lens for optical pick-up

Objective lens

Objective lens

Objective lens

Objective lens for optical pick-up

Objective lens for optical pick-up

Optical pickup, optical element, and information reproducing apparatus

Optical system of optical pick-up

Optical system of optical pick-up

Objective lens for optical pick-up

Objective lens for optical pickup

Objective lens for optical pickup

Objective lens for optical pick-up