Inventor · disambiguated record
Joji Karasawa
Also filed as: KARASAWA JOJI
22 granted patents·3 pending applications·695 citations·filing 1994–2021
95Inventor score
Top patents by PatentIndex Score
25 records- 0194US6491396B2Projector modulating a plurality of partial luminous fluxes according to imaging information by means of an electro-optical deviceSEIKO EPSON CORP·Filed 2001·Granted Dec 10, 2002·49 cites·24 claims
- 0293US5977935AHead-mounted image display device and data processing apparatus including the sameSEIKO EPSON CORP·Filed 1994·Granted Nov 2, 1999·183 cites·6 claims
- 0392US6538624B1Head-mounted image display apparatusSEIKO EPSON CORP·Filed 2000·Granted Mar 25, 2003·64 cites·3 claims
- 0491US6040945AHead mount display deviceSEIKO EPSON CORP·Filed 1999·Granted Mar 21, 2000·91 cites·1 claims
- 0591US5739797AHead-mounted virtual image display device having switching means enabling user to select eye to view imageSEIKO EPSON CORP·Filed 1995·Granted Apr 14, 1998·111 cites·20 claims
- 0687US6320559B1Head-mounted image display device and data processing apparatus including the sameSEIKO EPSON CORP·Filed 1999·Granted Nov 20, 2001·66 cites·7 claims
- 0784US6011653AHead-mounted displaySEIKO EPSON CORP·Filed 1997·Granted Jan 4, 2000·62 cites·33 claims
- 0876US5739893AHead-mounted image display apparatusSEIKO EPSON CORP·Filed 1994·Granted Apr 14, 1998·43 cites·38 claims
- 0968US6947212B2Transmissive screen and rear projectorSEIKO EPSON CORP·Filed 2003·Granted Sep 20, 2005·8 cites·8 claims
- 1064USD363279SHead set with visual display unit and stereophonic headphonesSEIKO EPSON CORP·Filed 1994·Granted Oct 17, 1995·11 cites·1 claims
- 1160US11900319B2Information processing deviceSEIKO EPSON CORP·Filed 2021·Granted Feb 13, 2024·0 cites·16 claims
- 1257US7329007B2ProjectorSEIKO EPSON CORP·Filed 2005·Granted Feb 12, 2008·2 cites·12 claims
- 1356US11054727B2Projector and projection systemSEIKO EPSON CORP·Filed 2019·Granted Jul 6, 2021·0 cites·9 claims
- 1456US8416285B2Stereoscopic image display apparatus and method of manufacturing the sameSAKATA ATSUSHI·Filed 2009·Granted Apr 9, 2013·2 cites·6 claims
- 1556US7168812B2ProjectorSEIKO EPSON CORP·Filed 2004·Granted Jan 30, 2007·2 cites·14 claims
- 1656US2006007399A1ProjectorSEIKO EPSON CORP·Filed 2005·Application pending·0 cites
- 1751US8330805B2Stereoscopic image display apparatus and method of manufacturing the sameHORIE OSAMU·Filed 2009·Granted Dec 11, 2012·1 cites·10 claims
- 1851US7172293B2ProjectorSEIKO EPSON CORP·Filed 2004·Granted Feb 6, 2007·0 cites·6 claims
- 1950US7843536B2Liquid crystal display device and projectorSEIKO EPSON CORP·Filed 2008·Granted Nov 30, 2010·0 cites·4 claims
- 2047US7390095B2ProjectorSEIKO EPSON CORP·Filed 2005·Granted Jun 24, 2008·0 cites·8 claims
- 2145US2010033557A1Stereoscopic image display and method for producing the sameSONY CORP·Filed 2009·Application pending·0 cites
- 2244US7156523B2ProjectorSEIKO EPSON CORP·Filed 2005·Granted Jan 2, 2007·0 cites·8 claims
- 2343US2010026796A1Stereoscopic image display apparatus and method of manufacturing the sameSONY CORP·Filed 2009·Application pending·0 cites
- 2440US8308303B2Projector having cooling duct including flow paths for directing cooling air over light modulation devicesTAKAGI KUNIHIKO·Filed 2010·Granted Nov 13, 2012·0 cites·8 claims
- 2538US8421852B2Method for manufacturing stereoscopic image display apparatus and stereoscopic image display apparatusNIYOMURA HIDEO·Filed 2009·Granted Apr 16, 2013·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →