Inventor · disambiguated record
Yumi Matsuki
Also filed as: MATSUKI YUMI
16 granted patents·350 citations·filing 1990–2007
94Inventor score
Top patents by PatentIndex Score
16 records- 0196US6919982B2Optical path deflecting element, optical path deflecting apparatus, image displaying apparatus, optical element and manufacturing method thereofRICOH KK·Filed 2003·Granted Jul 19, 2005·82 cites·52 claims
- 0295US7245430B2Method and apparatus for displaying three-dimensional stereo image using light deflectorRICOH KK·Filed 2004·Granted Jul 17, 2007·91 cites·9 claims
- 0394US7753531B2Image display apparatus and projection optical systemRICOH KK·Filed 2005·Granted Jul 13, 2010·27 cites·16 claims
- 0481US5496497ALiquid crystal prepolymer composition and liquid crystal display device using the sameRICOH KK·Filed 1994·Granted Mar 5, 1996·38 cites·28 claims
- 0576US7929071B2Electric field generating device comprising an electric field generating resistor and line electrodes, light deflecting device having the same, and image display apparatus having the sameRICOH CO LTD·Filed 2007·Granted Apr 19, 2011·3 cites·16 claims
- 0670US5566013ALiquid crystal display apparatus which prevents bubbles with a spacer density of 201 to 800 mm2RICOH KK·Filed 1994·Granted Oct 15, 1996·33 cites·3 claims
- 0768US7345733B2Light deflection element, light deflection device and image display deviceRICOH COMAPNY LTD·Filed 2006·Granted Mar 18, 2008·2 cites·19 claims
- 0868US7310181B2Optical deflection device and optical deflection method that control occurrence of alignment defectRICOH KK·Filed 2006·Granted Dec 18, 2007·2 cites·13 claims
- 0967US7489383B2Optical axis deflecting method, optical axis deflecting element, optical path deflecting unit, method of driving optical axis deflecting element, and image display apparatusRICOH KK·Filed 2006·Granted Feb 10, 2009·1 cites·20 claims
- 1063US5513026AMethod of producing a liquid crystal display with a spacerRICOH KK·Filed 1995·Granted Apr 30, 1996·31 cites·5 claims
- 1161US7038835B2Optical deflection device and optical deflection method that control occurrence of alignment defectRICOH KK·Filed 2003·Granted May 2, 2006·6 cites·21 claims
- 1260US7495831B2Optical device, display device, and three-dimension image display device for changing a polarization state of a light beam in timeRICOH KK·Filed 2005·Granted Feb 24, 2009·2 cites·34 claims
- 1358US8158020B2Liquid crystal element, optical path deflecting element, and image displaying apparatusTAKANO YOHEI·Filed 2007·Granted Apr 17, 2012·1 cites·1 claims
- 1458US7057700B2Light deflection element, light deflection device and image display deviceRICOH KK·Filed 2002·Granted Jun 6, 2006·5 cites·5 claims
- 1557US5044733ASuper twisted nematic liquid crystal display device having the standard deviation of the spherical grains being not more than 3% and the dispersion quantity of the spherical grains being 100-200 grains/mm2RICOH KK·Filed 1990·Granted Sep 3, 1991·21 cites·3 claims
- 1655US7304705B2Imaging unit, optical write unit, optical read unit and image forming apparatusRICOH KK·Filed 2003·Granted Dec 4, 2007·5 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →