Inventor · disambiguated record
Hiroyuki Sasai
Also filed as: SASAI HIROYUKI
55 granted patents·16 pending applications·1,498 citations·filing 1988–2025
99Inventor score
Files withPANASONIC CORP22MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13SUNFLARE CO LTD8PANASONIC IP MAN CO LTD5FUJITSU LTD4
Top patents by PatentIndex Score
71 records- 0197US6654740B2Probabilistic information retrieval based on differential latent semantic spaceSUNFLARE CO LTD·Filed 2001·Granted Nov 25, 2003·355 cites·11 claims
- 0295US7460829B2Wireless communication systemPANASONIC CORP·Filed 2004·Granted Dec 2, 2008·94 cites·28 claims
- 0395US7349634B2Optical transmission system for radio access and high frequency optical transmitterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Mar 25, 2008·29 cites·1 claims
- 0495US6537138B2Method of grinding an axially asymmetric aspherical mirrorRIKEN·Filed 2001·Granted Mar 25, 2003·111 cites·5 claims
- 0594US10906179B2Mobile robot and method of tracking mobile robotPANASONIC CORP·Filed 2020·Granted Feb 2, 2021·3 cites·5 claims
- 0693US7885547B2Optical wireless transmission system for performing optical space transmission, and optical transmitter used thereinPANASONIC CORP·Filed 2007·Granted Feb 8, 2011·28 cites·19 claims
- 0790US8208818B2Optical free space transmission system using visible light and infrared lightSASAI HIROYUKI·Filed 2007·Granted Jun 26, 2012·25 cites·12 claims
- 0889US7013262B2System and method for accurate grammar analysis using a learners' model and part-of-speech tagged (POST) parserSUNFLARE CO LTD·Filed 2002·Granted Mar 14, 2006·52 cites·5 claims
- 0989US6988063B2System and method for accurate grammar analysis using a part-of-speech tagged (POST) parser and learners' modelSUNFLARE CO LTD·Filed 2002·Granted Jan 17, 2006·65 cites·2 claims
- 1089US6459519B1Optical transmitter-receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Oct 1, 2002·99 cites·19 claims
- 1189US6292673B1Radio signal transmitterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 18, 2001·108 cites·18 claims
- 1288US7024400B2Differential LSI space-based probabilistic document classifierSUNFLARE CO LTD·Filed 2001·Granted Apr 4, 2006·64 cites·9 claims
- 1387US7650112B2Method and system for extending coverage of WLAN access points via optically multiplexed connection of access points to sub-stationsPANASONIC CORP·Filed 2003·Granted Jan 19, 2010·49 cites·20 claims
- 1484US7813055B2Light receiver and Fresnel lens used thereinPANASONIC CORP·Filed 2008·Granted Oct 12, 2010·15 cites·4 claims
- 1584US7539419B2Optical transmission system for radio access and high frequency optical transmitterPANASONIC CORP·Filed 2008·Granted May 26, 2009·8 cites·1 claims
- 1683US7657182B2Liquid lens optical transmitter systemPANASONIC CORP·Filed 2006·Granted Feb 2, 2010·16 cites·10 claims
- 1782US6775483B1System, device, and method for wavelength-division multiplex optical transmissionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 10, 2004·18 cites·19 claims
- 1880US7646986B2Optical receiving device and optical receiving methodPANASONIC CORP·Filed 2007·Granted Jan 12, 2010·9 cites·15 claims
- 1979US7603693B2CATV uplink optical transmission systemPANASONIC CORP·Filed 2003·Granted Oct 13, 2009·27 cites·22 claims
- 2078US7733580B2Light emitting module and light receiving modulePANASONIC CORP·Filed 2007·Granted Jun 8, 2010·9 cites·22 claims
- 2178US6804637B1Method, apparatus, and recording medium for retrieving optimum template patternSUNFLARE CO LTD·Filed 2000·Granted Oct 12, 2004·29 cites·3 claims
- 2277US7613399B2Optical transmission system, optical transmitter, and optical receiverPANASONIC CORP·Filed 2006·Granted Nov 3, 2009·7 cites·13 claims
- 2377US7124073B2Computer-assisted memory translation scheme based on template automaton and latent semantic index principleSUNFLARE CO LTD·Filed 2002·Granted Oct 17, 2006·25 cites·7 claims
- 2475US11644325B2Navigation method, navigation system, moving body, and navigation programPANASONIC IP MAN CO LTD·Filed 2019·Granted May 9, 2023·2 cites·20 claims
- 2575US10900832B2Diffraction grating and spectral deviceSHIMADZU CORP·Filed 2016·Granted Jan 26, 2021·2 cites·12 claims
- 2675US7534986B2Optical wireless transmission systemPANASONIC CORP·Filed 2007·Granted May 19, 2009·6 cites·9 claims
- 2772US7912379B2Optical transmitter circuitPANASONIC CORP·Filed 2007·Granted Mar 22, 2011·5 cites·13 claims
- 2870US10646387B2Electrically powered wheelchairPANASONIC CORP·Filed 2017·Granted May 12, 2020·2 cites·12 claims
- 2970US6626588B1Optical transmission apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 30, 2003·11 cites·22 claims
- 3069US7907845B2Optical space transmission modulePANASONIC CORP·Filed 2007·Granted Mar 15, 2011·4 cites·10 claims
- 3169US5850303AOptical transmission system and optical transmission device used thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Dec 15, 1998·41 cites·40 claims
- 3269US5490227ALight receiving module for SCM transmissionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Feb 6, 1996·33 cites·23 claims
- 3368US8311414B2Optical space transfer apparatus using image sensorNIIHO TSUTOMU·Filed 2007·Granted Nov 13, 2012·5 cites·24 claims
- 3466US10976749B2Robot and method for controlling the samePANASONIC CORP·Filed 2018·Granted Apr 13, 2021·1 cites·6 claims
- 3566US6598019B1Evaluation method, apparatus, and recording medium using optimum template pattern determination method, apparatus and optimum template patternSUNFLARE CO LTD·Filed 2000·Granted Jul 22, 2003·14 cites·3 claims
- 3665US11534352B2Moving vehiclePANASONIC CORP·Filed 2018·Granted Dec 27, 2022·1 cites·8 claims
- 3765US8983032B2Spectroscopic apparatusJAPAN ATOMIC ENERGY AGENCY·Filed 2013·Granted Mar 17, 2015·1 cites·6 claims
- 3864US7583899B2Space optical transmission apparatus and space optical transmission systemPANASONIC CORP·Filed 2006·Granted Sep 1, 2009·3 cites·19 claims
- 3963US6392770B1Multi-point optical transmission systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted May 21, 2002·26 cites·5 claims
- 4063US2025271864A1Mobile object, control method for mobile object, and programPANASONIC IP MAN CO LTD·Filed 2025·Application pending·0 cites
- 4162US6271942B1Optical transmission device and systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Aug 7, 2001·33 cites·44 claims
- 4256US12005899B2Vehicle with inter-vehicular distance acceleration controlPANASONIC CORP·Filed 2020·Granted Jun 11, 2024·0 cites·7 claims
- 4356US7850880B2Method for forming aspherical optical elementSHIMADZU CORP·Filed 2005·Granted Dec 14, 2010·1 cites·3 claims
- 4455US7907852B2Optical transmitter circuitPANASONIC CORP·Filed 2007·Granted Mar 15, 2011·1 cites·12 claims
- 4555US4844589ALenses having plural contiguous refractive index distribution substrates and method of manufactureHOYA CORP·Filed 1988·Granted Jul 4, 1989·16 cites·3 claims
- 4654US2018257231A1Mobile robot and method of tracking mobile robotPANASONIC CORP·Filed 2018·Application pending·0 cites
- 4753US10338285B2Blazed diffraction grating and method for producing blazed diffraction gratingSHIMADZU CORP·Filed 2013·Granted Jul 2, 2019·0 cites·4 claims
- 4853US7236701B2Optical transmission system for performing communication using a plurality of communication linesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 26, 2007·3 cites·20 claims
- 4952US7751722B2Optical transmission systemPANASONIC CORP·Filed 2004·Granted Jul 6, 2010·2 cites·8 claims
- 5050US7756522B2Dynamic traffic control method and device for the sameFUJITSU LTD·Filed 2003·Granted Jul 13, 2010·4 cites·11 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →