Inventor · disambiguated record
Takashi Urakawa
Also filed as: URAKAWA TAKASHI
18 granted patents·2 pending applications·281 citations·filing 2003–2014
93Inventor score
Top patents by PatentIndex Score
20 records- 0198US7414791B2Eye detection apparatus and image display apparatusCANON KK·Filed 2005·Granted Aug 19, 2008·205 cites·10 claims
- 0292US8363328B2Liquid lensCANON KK·Filed 2010·Granted Jan 29, 2013·16 cites·8 claims
- 0384US8358456B2Scanning image projection apparatusCANON KK·Filed 2011·Granted Jan 22, 2013·6 cites·2 claims
- 0484US8355209B2Liquid lensCANON KK·Filed 2010·Granted Jan 15, 2013·7 cites·7 claims
- 0580US6978478B2Mounting unit for head mounted apparatus and head mounting apparatusCANON KK·Filed 2003·Granted Dec 27, 2005·20 cites·6 claims
- 0677US9703178B2Projector having a rod integrator with an entrance plane smaller than an area light sourceCANON KK·Filed 2013·Granted Jul 11, 2017·3 cites·13 claims
- 0775USRE40438EMounting unit for head mounted apparatus and head mounting apparatusCANON KK·Filed 2006·Granted Jul 22, 2008·6 cites·6 claims
- 0873US8418516B2Manufacturing method for optical elementURAKAWA TAKASHI·Filed 2009·Granted Apr 16, 2013·2 cites·4 claims
- 0971US7573626B2Optical scanner and image display apparatus having the sameCANON KK·Filed 2005·Granted Aug 11, 2009·3 cites·10 claims
- 1070US7894114B2Optical deflector having tapered aperture stop, light scanning apparatus and scanning type image display apparatus using sameCANON KK·Filed 2007·Granted Feb 22, 2011·5 cites·7 claims
- 1162US8520115B2Image processing apparatus and method for displaying an image to an observerURAKAWA TAKASHI·Filed 2010·Granted Aug 27, 2013·1 cites·16 claims
- 1259US8035678B2Light scanning apparatus and scanning type image display apparatusCANON KK·Filed 2007·Granted Oct 11, 2011·2 cites·8 claims
- 1357US7609229B2Image displaying apparatusCANON KK·Filed 2004·Granted Oct 27, 2009·5 cites·3 claims
- 1451US7649662B2Optical scanning apparatus and image displaying apparatus having the same, wherein a light beam having entered a housing from a first optical member enters a scanning mirror without transmitting through a transmission-type optical element, the light beam deflected by the scanning mirror enters a second optical member without transmitting through a transmission-type optical elementCANON KK·Filed 2008·Granted Jan 19, 2010·0 cites·9 claims
- 1550US7988299B2Handy image projection apparatusCANON KK·Filed 2007·Granted Aug 2, 2011·0 cites·9 claims
- 1649US9274405B2Projector with illumination system having a cuboid optical memberCANON KK·Filed 2013·Granted Mar 1, 2016·0 cites·8 claims
- 1747US2014293465A1Optical prism and method for bonding the sameCANON KK·Filed 2014·Application pending·0 cites
- 1846US7453613B2Scanning type image forming apparatus having the same containing scanning mirror in a space sealed by first and second optical members and the housing, the second optical member includes five surfacesCANON KK·Filed 2005·Granted Nov 18, 2008·0 cites·2 claims
- 1943US7529045B2Optical element and optical apparatus having the optical elementCANON KK·Filed 2006·Granted May 5, 2009·0 cites·7 claims
- 2041US2006285216A1Scanning displayYAMAMOTO AKIRA·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →