Inventor
NOGUCHI MASATO
JP71 patents
⚠️ This page may combine multiple inventors who share the name “NOGUCHI MASATO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
32 patentsUS5629799AMay 13, 1997
Chromatic aberration correcting element and its application
ASAHI OPTICAL CO LTD79 citations97
US5257092AOct 26, 1993
Apparatus for measuring polarization and birefringence
ASAHI OPTICAL CO LTD57 citations96
US6234639B1May 22, 2001
Polarization converter and lighting device for LCD panel
ASAHI OPTICAL CO LTD25 citations93
US6104689AAug 15, 2000
Sensor system for optical disc drive
ASAHI OPTICAL CO LTD30 citations93
US5914822AJun 22, 1999
Chromatic aberration correcting element and its application
ASAHI OPTICAL CO LTD19 citations93
US5812223ASep 22, 1998
Color LCD projector with three color separating polarizing beam splitters
ASAHI OPTICAL CO LTD39 citations93
US5784202AJul 21, 1998
Apparatus for isometrically splitting beams
ASAHI OPTICAL CO LTD28 citations93
US5652745AJul 29, 1997
Optical system using polarized light with prevention of effect of birefringence
ASAHI OPTICAL CO LTD24 citations93
US5477386ADec 19, 1995
Optical system for optical disc apparatus including anamorphic prisms
ASAHI OPTICAL CO LTD24 citations93
US5432606AJul 11, 1995
Interferometer for the measurement of surface profile which introduces a spatial carrier by tilting the reference mirror
ASAHI OPTICAL CO LTD31 citations93
US5365504ANov 15, 1994
Optical disk apparatus, and construction of optical disk
ASAHI OPTICAL CO LTD26 citations93
US5278401AJan 11, 1994
Optical disc apparatus having five light receiving areas for detecting focus error and tracking error
ASAHI OPTICAL CO LTD29 citations93
US5243542ASep 7, 1993
Interferometer employing reference images
ASAHI OPTICAL CO LTD29 citations93
US5379105AJan 3, 1995
Roof surface measuring apparatus
ASAHI OPTICAL CO LTD38 citations92
US6178028B1Jan 23, 2001
Multibeam scanning exposure device
ASAHI OPTICAL CO LTD24 citations89
US6021000AFeb 1, 2000
Beam splitting diffractive optical element
ASAHI OPTICAL CO LTD14 citations82
US5402269AMar 28, 1995
Compound prism
ASAHI OPTICAL CO LTD16 citations82
US5223983AJun 29, 1993
Compound prism including interfaces with curvatures of the order of a laser wave length
ASAHI OPTICAL CO LTD15 citations82
US5193028AMar 9, 1993
Optical system for eliminating ghost image in wide wavelength band
ASAHI OPTICAL CO LTD19 citations82
US6388811B1May 14, 2002
Diffractive optical element including a diffractive grating pattern
ASAHI OPTICAL CO LTD5 citations74
US6212010B1Apr 3, 2001
Diffractive optical element including a diffractive grating pattern
ASAHI OPTICAL CO LTD7 citations74
US5777788AJul 7, 1998
Polarizer and method for using same
ASAHI OPTICAL CO LTD7 citations74
US5768036AJun 16, 1998
Beam receiving position adjusting device
ASAHI OPTICAL CO LTD8 citations74
US5752107AMay 12, 1998
Real image finder system for a camera
ASAHI OPTICAL CO LTD8 citations74
US5559639ASep 24, 1996
Beam receiving position adjusting device
ASAHI OPTICAL CO LTD14 citations74
US5537184AJul 16, 1996
Real image finder system for a camera
ASAHI OPTICAL CO LTD7 citations74
US5535179AJul 9, 1996
Magneto-optic disc apparatus with signal detector for detecting recorded signals based on split beams
ASAHI OPTICAL CO LTD8 citations74
US5448355ASep 5, 1995
System for measuring tilt of image plane of optical system using diffracted light
ASAHI OPTICAL CO LTD9 citations74
US5309423AMay 3, 1994
Magneto-optical reproducing device with optical system having two reflective elements and providing phase difference cancellation
ASAHI OPTICAL CO LTD15 citations74
US6304395B1Oct 16, 2001
Viewing optical instrument having roof prism and a roof prism
ASAHI OPTICAL CO LTD8 citations73
US5434835AJul 18, 1995
Optical disk apparatus
ASAHI OPTICAL CO LTD7 citations73
US5768150AJun 16, 1998
Device and method for measuring a characteristic of an optical element
ASAHI OPTICAL CO LTD15 citations72
PENTAX CORP
4 patentsUS6583819B2Jun 24, 2003
Electronic camera with movable optical element
PENTAX CORP39 citations93
US6622391B1Sep 23, 2003
Incremental rotary encoder, and a surveying instrument incorporating a magnetic incremental rotary encoder
PENTAX CORP33 citations92
US6567353B1May 20, 2003
Optical head with light receiving element surfaces divided into at least three light receiving areas
PENTAX CORP14 citations84
US6600308B2Jul 29, 2003
Magnetic encoder and method for reducing harmonic distortion thereof
PENTAX CORP7 citations74
SONY CORP
3 patentsUS5706260AJan 6, 1998
Apparatus for and method of synchronously recording signals onto a disk medium by a single head
SONY CORP28 citations89
US5485448AJan 16, 1996
Optical disk mastering apparatus having two data transferring rates for recording and monitoring
SONY CORP17 citations73
US9746919B2Aug 29, 2017
Information processing device and information processing method
SONY CORP4 citations71
NISSAN MOTOR
2 patentsIBM
2 patentsNOGUCHI MASATO
2 patentsADACHI HISATOSHI
1 patentSANYO ELECTRIC CO
1 patentMIZUTANI TOMOJI
1 patentSANDISK TECHNOLOGIES LLC
1 patentJAPAN TOBACCO INC
1 patentShowing the top 50 of 71 patents by PatentIndex Score.