Mizuno; Sadao

Patent Applications and Registrations

Patent applications and USPTO patent grants for Mizuno; Sadao.The latest application filed is for "optical pickup, inclination angle detection method, optical information device and information processing device".

Company Profile

0.45.25

Mizuno; Sadao - Osaka JP
Mizuno; Sadao - Ibaraki JP
Mizuno; Sadao - Ibaraki-shi JP
Mizuno; Sadao - Aichi JP
Mizuno; Sadao - Nagoya JP
Mizuno; Sadao - Ibaragi JP
Mizuno; Sadao - Neyagawa JA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Optical pickup, inclination angle detection method, optical information device and information processing device Grant 8,483,034 - Wada , et al. July 9, 2	2013-07-09
Optical Pickup, Inclination Angle Detection Method, Optical Information Device And Information Processing Device App 20130083645 - Wada; Hidenori ; et al.	2013-04-04
Objective lens, optical head and optical disc device Grant 8,233,371 - Yamasaki , et al. July 31, 2	2012-07-31
Optical head for optical recorder/reproducer Grant 8,184,522 - Wada , et al. May 22, 2	2012-05-22
Optical pickup head and information recording/reproducing device Grant RE43,126 - Hayashi , et al. January 24, 2	2012-01-24
Optical head and optical disc device Grant 8,064,314 - Mizuno November 22, 2	2011-11-22
Optical pickup, optical disk device, computer and optical disk recorder Grant 8,004,954 - Mizuno August 23, 2	2011-08-23
Coupling lens, optical head and optical disc device Grant 7,952,979 - Yamasaki , et al. May 31, 2	2011-05-31
Optical Head For Optical Recorder/reproducer App 20110096645 - WADA; Hidenori ; et al.	2011-04-28
Optical head for optical recorder/reproducer Grant 7,889,622 - Wada , et al. February 15, 2	2011-02-15
Objective Lens, Optical Head And Optical Disc Device App 20100220578 - Yamasaki; Fumitomo ; et al.	2010-09-02
Objective lens for optical disks having different thicknesses Grant RE41,455 - Komma , et al. July 27, 2	2010-07-27
Optical element and optical head device using it, and optical information device using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information device Grant 7,760,612 - Komma , et al. July 20, 2	2010-07-20
Optical Head And Optical Disc Device App 20100157777 - Mizuno; Sadao	2010-06-24
Optical recording medium, optical information processor, and optical recording/reproducing method Grant 7,656,777 - Yamamoto , et al. February 2, 2	2010-02-02
Coupling Lens, Optical Head And Optical Disc Device App 20100002560 - Yamasaki; Fumitomo ; et al.	2010-01-07
Optical Pickup, Optical Disk Device, Computer And Optical Disk Recorder App 20090097380 - Mizuno; Sadao	2009-04-16
Optical head and optical information apparatus for recording or reproducing information on an information recording medium Grant 7,486,606 - Sano , et al. February 3, 2	2009-02-03
Optical head device and optical information apparatus using the same Grant 7,480,227 - Nishino , et al. January 20, 2	2009-01-20
Optical head device and optical information apparatus using the same Grant 7,330,419 - Nishino , et al. February 12, 2	2008-02-12
Optical Head For Optical Recorder/Reproducer App 20080013414 - Wada; Hidenori ; et al.	2008-01-17
Objective lens, optical head apparatus, optical information recording/reproducing apparatus Grant 7,283,451 - Kikuchi , et al. October 16, 2	2007-10-16
Optical head and optical recording and reproducing apparatus Grant 7,254,107 - Wada , et al. August 7, 2	2007-08-07
Optical element, optical lens, optical head apparatus, optical information apparatus, computer, optical information medium player, car navigation system, optical information medium recorder, and optical information medium server Grant 7,248,409 - Komma , et al. July 24, 2	2007-07-24
Semiconductor laser apparatus, optical pick-up and optical information apparatus App 20070064574 - Komma; Yoshiaki ; et al.	2007-03-22
Optical head device and optical information apparatus using the same App 20060233071 - Nishino; Seiji ; et al.	2006-10-19
Optical head device and optical information apparatus using the same App 20060215505 - Nishino; Seiji ; et al.	2006-09-28
Optical head device and optical information apparatus using the same Grant 7,110,342 - Nishino , et al. September 19, 2	2006-09-19
Optical recording head capable of correcting spherical aberration Grant 7,079,456 - Wada , et al. July 18, 2	2006-07-18
Lens, optical head, optical information writing/reading apparatus and optical information recording medium writing/reading method Grant 6,995,909 - Hayashi , et al. February 7, 2	2006-02-07
Compound objective lens for optical disks having different thicknesses Grant RE38,943 - Komma , et al. January 24, 2	2006-01-24
Optical head, optical information apparatus, and optical-information reproducing method App 20050276202 - Sano, Kousei ; et al.	2005-12-15
Optical element, optical head and optical information processor Grant 6,927,375 - Yamamoto , et al. August 9, 2	2005-08-09
Converging element, optical head, and apparatus and method of optically recording and reproducing information Grant 6,920,102 - Mizuno , et al. July 19, 2	2005-07-19
Optical element and optical head device using it and optical information device using this optical head device, and computer, optical disk player car navigation system, optical disk recorder and optical disk server using this optical information device App 20050117497 - Komma, Yoshiaki ; et al.	2005-06-02
Converging element, optical head, and apparatus and method of optically recording and reproducing information Grant 6,873,588 - Mizuno , et al. March 29, 2	2005-03-29
Optical head and optical recording and reproducing apparatus App 20050058052 - Wada, Hidenori ; et al.	2005-03-17
Converging element, optical head, and apparatus and method of optically recording and reproducing information Grant 6,859,428 - Mizuno , et al. February 22, 2	2005-02-22
Lens, optical head, optical information writing/reading apparatus and optical information recording medium writing/reading method App 20040208111 - Hayashi, Hideki ; et al.	2004-10-21
Optical pickup head and information recording/reproducing device Grant 6,798,723 - Hayashi , et al. September 28, 2	2004-09-28
Objective lens, optical head apparatus, optical information recording/reproducing apparatus App 20040120052 - Kikuchi, Atsuo ; et al.	2004-06-24
Converging element, optical head, and apparatus and method of optically recording and reproducing information App 20040114494 - Mizuno, Sadao ; et al.	2004-06-17
Optical element, optical lens, optical head apparatus, optical information apparatus, computer, optical information medium player, car navigation system, optical information medium recorder, and optical information medium server App 20040109242 - Komma, Yoshiaki ; et al.	2004-06-10
Converging element, optical head, and apparatus and method of optically recording and reproducing information App 20040085875 - Mizuno, Sadao ; et al.	2004-05-06
Optical element, optical head, method for correcting spherical aberration, and optical recording/reproducing apparatus App 20040004913 - Wada, Hidenori ; et al.	2004-01-08
Method of replacing secondary battery Grant 6,573,685 - Nakanishi , et al. June 3, 2	2003-06-03
Optical element, optical head and optical information processor App 20030098405 - Yamamoto, Hiroaki ; et al.	2003-05-29
Optical head device and optical information apparatus using the same App 20030095492 - Nishino, Seiji ; et al.	2003-05-22
Optical pickup head and information recording/reproducing device App 20020181343 - Hayashi, Hideki ; et al.	2002-12-05
Optical element, optical head using the optical element, and optical recording and reproducing apparatus using the optical element Grant 6,480,454 - Wada , et al. November 12, 2	2002-11-12
Diffraction grating body, optical pick-up, semiconductor laser apparatus and optical information apparatus App 20020097660 - Komma, Yoshiaki ; et al.	2002-07-25
Method of replacing secondary battery App 20010035737 - Nakanishi, Toshiaki ; et al.	2001-11-01
Optical head and an optical disk apparatus Grant 6,084,845 - Mizuno July 4, 2	2000-07-04
Multiple focus lens, an optical head apparatus and an optical information recording-reproducing apparatus Grant 5,986,779 - Tanaka , et al. November 16, 1	1999-11-16
Optical head Grant 5,978,346 - Mizuno , et al. November 2, 1	1999-11-02
Optical head Grant 5,790,503 - Mizuno , et al. August 4, 1	1998-08-04
Correction elements to lower light intensity around an optical axis of an optical head with a plurality of focal points Grant 5,754,512 - Komma , et al. May 19, 1	1998-05-19
Optical head and optical data recording and reproducing apparatus having the same Grant 5,703,856 - Hayashi , et al. December 30, 1	1997-12-30
Finishing machines for internal spline tooth surfaces Grant 5,695,390 - Mizuno , et al. December 9, 1	1997-12-09
Multilayer optical disk and apparatus Grant 5,627,816 - Ito , et al. May 6, 1	1997-05-06
Multilayer optical disk and apparatus Grant 5,563,873 - Ito , et al. October 8, 1	1996-10-08
Compound objective lens having two focal points Grant 5,446,565 - Komma , et al. August 29, 1	1995-08-29
Optical head system and its optical disc Grant 5,418,774 - O'Hara , et al. May 23, 1	1995-05-23
Optical disk apparatus for optically recording or reproducing information on an optical recording medium Grant 5,347,504 - Ito , et al. September 13, 1	1994-09-13
Optical recording apparatus employing stacked recording media with spiral grooves and floating optical heads Grant 5,255,260 - Yamada , et al. October 19, 1	1993-10-19
Optical head Grant 5,148,421 - Satoh , et al. September 15, 1	1992-09-15
Optical head apparatus including concentric, periodic grating in a waveguide Grant 4,991,919 - Nishiwaki , et al. February 12, 1	1991-02-12
Take-up Device For Magnetic Tape Duplicating System Grant 3,767,866 - Higashida , et al. October 23, 1	1973-10-23

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