Inventor
YAMAGISHI FUMIO
JP50 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGISHI FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
43 patentsUS6478429B1Nov 12, 2002
Reflective projector
FUJITSU LTD268 citations99
US5088817AFeb 18, 1992
Biological object detection apparatus
FUJITSU LTD175 citations99
US5077803ADec 31, 1991
Biological detecting system and fingerprint collating system employing same
FUJITSU LTD162 citations99
US5109428AApr 28, 1992
Minutia data extraction in fingerprint identification
FUJITSU LTD205 citations98
US5210624AMay 11, 1993
Heads-up display
FUJITSU LTD131 citations97
US4728186AMar 1, 1988
Uneven-surface data detection apparatus
FUJITSU LTD142 citations97
US5266788ANov 30, 1993
Laser scanner for bar code reader having a transparent light guide plate
FUJITSU LTD73 citations96
US4924085AMay 8, 1990
Uneven-surface data detection apparatus
FUJITSU LTD140 citations96
US4647143AMar 3, 1987
Light-beam scanning apparatus
FUJITSU LTD101 citations96
US6817725B2Nov 16, 2004
Micro mirror unit and method of making the same
FUJITSU LTD31 citations93
US6806992B2Oct 19, 2004
Micro mirror unit including mirror substrate and wiring substrate spaced by conductive spacer
FUJITSU LTD25 citations93
US5231277AJul 27, 1993
Optical scanner using plannar reflecting holograms
FUJITSU LTD24 citations93
US4848862AJul 18, 1989
Laser beam scanner
FUJITSU LTD44 citations93
US4832464AMay 23, 1989
Optical system with grating lens assembly for correcting wavelength aberrations
FUJITSU LTD46 citations93
US4810046AMar 7, 1989
Light beam scanning apparatus
FUJITSU LTD40 citations93
US7071806B2Jul 4, 2006
Variable inductor and method for adjusting inductance of same
FUJITSU LTD21 citations92
US5982402ANov 9, 1999
Apparatus for printing color image by combination of optical beam scanning units and photosensitive drums
FUJITSU LTD28 citations92
US5295004AMar 15, 1994
Optical beam scanning apparatus
FUJITSU LTD25 citations92
US4957336ASep 18, 1990
Laser beam scanner and its fabricating method
FUJITSU LTD51 citations92
US5680253AOct 21, 1997
Light beam scanning apparatus comprising a first and second diffraction grating plate
FUJITSU LTD12 citations81
US4948213AAug 14, 1990
Beam scanner
FUJITSU LTD22 citations81
US4904033AFeb 27, 1990
Method for constructing holograms
FUJITSU LTD21 citations80
US7324251B2Jan 29, 2008
Micro-actuation element provided with torsion bars
FUJITSU LTD7 citations74
US6723659B2Apr 20, 2004
Micromirror unit fabrication method and micromirror unit made by the same
FUJITSU LTD7 citations74
US6124955ASep 26, 2000
Light beam scanning apparatus
FUJITSU LTD6 citations74
US5978111ANov 2, 1999
Light beam scanning apparatus
FUJITSU LTD2 citations74
US5900955AMay 4, 1999
Optical scanning system including two hologram elements
FUJITSU LTD7 citations74
US5477348ADec 19, 1995
Achromatic hologram optical system
FUJITSU LTD15 citations74
US5245170ASep 14, 1993
Optical scanner using planar reflection holograms
FUJITSU LTD13 citations74
US4938550AJul 3, 1990
Holographic deflection device
FUJITSU LTD10 citations74
US4925262AMay 15, 1990
Method and apparatus for light beam scanning using a hologram
FUJITSU LTD16 citations74
US4824191AApr 25, 1989
Optical pickup
FUJITSU LTD19 citations74
US5224082AJun 29, 1993
Method for detecting tracking error in optical disk system and its optical system devices thereof
FUJITSU LTD8 citations73
US4968108ANov 6, 1990
Method for constructing and reconstructing hologram
FUJITSU LTD13 citations73
US4655541AApr 7, 1987
Hologram scanner
FUJITSU LTD14 citations73
US7145712B2Dec 5, 2006
Micro mirror unit and method of making the same
FUJITSU LTD1 citations63
US6723474B2Apr 20, 2004
Method of fabricating diffraction grating and diffraction grating
FUJITSU LTD4 citations63
US7944425B2May 17, 2011
Liquid crystal display element and method of driving the element
FUJITSU LTD6 citations62
US5861989AJan 19, 1999
Light beam scanning apparatus
FUJITSU LTD1 citations62
US7852439B2Dec 14, 2010
Multi-layer display element and manufacturing method for the same
FUJITSU LTD2 citations61
US7751108B2Jul 6, 2010
Micro-actuation element provided with torsion bars
FUJITSU LTD0 citations52
US7459331B2Dec 2, 2008
Micro mirror unit and method of making the same
FUJITSU LTD0 citations52
US5940195AAug 17, 1999
Light beam scanning apparatus
FUJITSU LTD0 citations52
FUJITSU MEDIA DEVICES LTD
3 patentsUS6891650B2May 10, 2005
Micromirror unit fabrication method and micromirror unit made by the same
FUJITSU MEDIA DEVICES LTD15 citations93
US6887396B2May 3, 2005
Micromirror unit and method of making the same
FUJITSU MEDIA DEVICES LTD13 citations93
US7099066B2Aug 29, 2006
Micromirror unit and method of making the same
FUJITSU MEDIA DEVICES LTD2 citations63