Umeki; Kazuhiro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Umeki; Kazuhiro.The latest application filed is for "optical element, polarization filter, optical isolator, and optical apparatus".

Company Profile

0.11.10

Umeki; Kazuhiro - Iwate N/A JP
Umeki; Kazuhiro - Hanamaki JP

*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 element, polarization filter, optical isolator, and optical apparatus Grant 8,830,585 - Hirai , et al. September 9, 2	2014-09-09
Optical pickup and optical information processing device Grant 8,259,555 - Hamano , et al. September 4, 2	2012-09-04
Optical device and method of producing the same Grant 8,178,010 - Hirai , et al. May 15, 2	2012-05-15
Reflecting wavelength plate and optical pickup using reflecting wavelength plate Grant 8,154,976 - Hirai , et al. April 10, 2	2012-04-10
Reflecting wavelength plate and optical pickup using reflecting wavelength plate Grant 8,154,977 - Hirai , et al. April 10, 2	2012-04-10
Optical Element, Polarization Filter, Optical Isolator, And Optical Apparatus App 20120002280 - Hirai; Hideaki ; et al.	2012-01-05
Optical element and optical device Grant 7,894,133 - Hirai , et al. February 22, 2	2011-02-22
Reflecting Wavelength Plate And Optical Pickup Using Reflecting Wavelength Plate App 20100278029 - HIRAI; Hideaki ; et al.	2010-11-04
Optical Device, Method Of Producing The Same, Optical Pickup, And Optical Information Processing Device App 20100155977 - Hirai; Hideaki ; et al.	2010-06-24
Optical Pickup And Optical Information Processing Device App 20100135130 - Hamano; Yukiko ; et al.	2010-06-03
Optical device, method of producing the same, optical pickup, and optical information processing device Grant 7,697,395 - Hirai , et al. April 13, 2	2010-04-13
Reflecting Wavelength Plate And Optical Pickup Using Reflecting Wavelength Plate App 20100054110 - HIRAI; Hideaki ; et al.	2010-03-04
Optical pickup and optical data processing apparatus Grant 7,502,300 - Hirai , et al. March 10, 2	2009-03-10
Optical Element And Optical Device App 20080106789 - Hirai; Hideaki ; et al.	2008-05-08
Method and mold for fabricating article having fine surface structure Grant 7,195,732 - Umeki March 27, 2	2007-03-27
Optical device, method of producing the same, optical pickup, and optical information processing device App 20050195485 - Hirai, Hideaki ; et al.	2005-09-08
Optical pickup and optical data processing apparatus App 20050025028 - Hirai, Hideaki ; et al.	2005-02-03
Polarization optical device and manufacturing method therefor App 20040174596 - Umeki, Kazuhiro	2004-09-09
Method and mold for fabricating article having fine surface structure App 20040135293 - Umeki, Kazuhiro	2004-07-15
Exposure mask, method of producing the same, exposure mask producing apparatus, and method of forming surface profile on material using exposure mask Grant 5,776,639 - Umeki , et al. July 7, 1	1998-07-07

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