Inventor
YAMAMOTO KAZUHISA
JP226 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO KAZUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
30 patentsUS6631231B2Oct 7, 2003
Optical waveguide elements, optical wavelength conversion elements, and process for producing optical waveguide elements
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD57 citations96
US6590915B1Jul 8, 2003
Optical apparatus and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations96
US6392979B1May 21, 2002
Optical pickup and optical disk apparatus using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD56 citations96
US6115345ASep 5, 2000
Super-resolution optical head apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations96
US6067393AMay 23, 2000
Optical apparatus and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations96
US6002515ADec 14, 1999
Method for producing polarization inversion part, optical wavelength conversion element using the same, and optical waveguide
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD75 citations96
US5936985AAug 10, 1999
Method for stabilizing output of higher harmonic waves and short wavelength laser beam source using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD54 citations96
US5835650ANov 10, 1998
Optical apparatus and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD47 citations96
US5652674AJul 29, 1997
Method for manufacturing domain-inverted region, optical wavelength conversion device utilizing such domain-inverted region and method for fabricating such device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD68 citations96
US5452312ASep 19, 1995
Short-wavelength laser light source and optical information processing aparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD61 citations96
US7271962B2Sep 18, 2007
Two-dimensional image formation apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations93
US7133428B2Nov 7, 2006
Optical apparatus and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations93
US6958967B2Oct 25, 2005
Holographic optical information recording/reproducing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations93
US6819646B1Nov 16, 2004
Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations93
US6711183B1Mar 23, 2004
Optical wavelength conversion device, coherent light generator, and optical information processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations93
US6693936B2Feb 17, 2004
Wavelength-variable semiconductor laser, optical integrated device utilizing the same, and production method thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations93
US6501868B1Dec 31, 2002
Optical waveguide device, coherent light source, integrated unit, and optical pickup
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations93
US6496299B2Dec 17, 2002
Method for stabilizing output of higher harmonic waves and short wavelength laser beam source using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations93
US6353495B1Mar 5, 2002
Method for forming a ferroelectric domain-inverted structure
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations93
US6333943B1Dec 25, 2001
Optical device, laser beam source, laser apparatus and method of producing optical device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations93
US6323990B1Nov 27, 2001
Method for stabilizing output of higher harmonic waves and short wavelength laser beam source using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations93
US6317546B1Nov 13, 2001
Optical waveguide device, and light source device and optical apparatus including the optical waveguide device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations93
US6298075B1Oct 2, 2001
Optical apparatus and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations93
US6261858B1Jul 17, 2001
Wavelength-variable semiconductor laser, optical integrated device utilizing the same, and production method thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations93
US6185168B1Feb 6, 2001
Super-resolution optical head apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations93
US6069904AMay 30, 2000
Optical apparatus and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations93
US5619369AApr 8, 1997
Diffracting device having distributed bragg reflector and wavelength changing device having optical waveguide with periodically inverted-polarization layers
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD54 citations93
US5387998AFeb 7, 1995
Shorter wavelength light generating apparatus in which coherent light is converted into shorter wavelength light
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations93
US5373519ADec 13, 1994
Semiconductor laser device, an optical device and a method of producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations93
US5303247AApr 12, 1994
Optical harmonic generating device for generating harmonic wave from fundamental wave and shorter wavelength laser generating apparatus in which fundamental wave of laser is converted to harmonic wave with the device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations93
PANASONIC CORP
7 patentsUS7677736B2Mar 16, 2010
Illumination light source and two-dimensional image display using same
PANASONIC CORP79 citations98
US7626755B2Dec 1, 2009
Wavelength converter and two-dimensional image display device
PANASONIC CORP79 citations98
US8350789B2Jan 8, 2013
Image display apparatus
PANASONIC CORP21 citations93
US8016428B2Sep 13, 2011
2-dimensional image display device or illumination device for obtaining uniform illumination and suppressing speckle noise
PANASONIC CORP23 citations93
US7988305B2Aug 2, 2011
Projection type display device and light source device
PANASONIC CORP28 citations93
US7740392B2Jun 22, 2010
Surface illumination apparatus and liquid crystal display
PANASONIC CORP24 citations93
US7593159B2Sep 22, 2009
Display device
PANASONIC CORP42 citations92
HONDA MOTOR CO LTD
6 patentsUS6629515B1Oct 7, 2003
Engine control device
HONDA MOTOR CO LTD105 citations98
US7216943B2May 15, 2007
Hybrid vehicle
HONDA MOTOR CO LTD61 citations97
US6283086B1Sep 4, 2001
Engine control apparatus
HONDA MOTOR CO LTD65 citations96
US7540344B2Jun 2, 2009
Control apparatus for hybrid vehicle
HONDA MOTOR CO LTD32 citations93
US7316283B2Jan 8, 2008
Automatic transmission controller for hybrid vehicle
HONDA MOTOR CO LTD23 citations93
US7040433B2May 9, 2006
Drive control apparatus for hybrid vehicle
HONDA MOTOR CO LTD48 citations92
MIZUSHIMA TETSURO
2 patentsMAZDA MOTOR
2 patentsYOKOGAWA ELECTRIC CORP
1 patentFUJITSU LTD
1 patentNGK INSULATORS LTD
1 patentShowing the top 50 of 226 patents by PatentIndex Score.