Inventor · disambiguated record
Takashi Takeda
Also filed as: TAKEDA TAKASHI
291 granted patents·50 pending applications·4,192 citations·filing 1975–2025
99Inventor score
Top patents by PatentIndex Score
341 records- 0199US8837880B2Virtual image display deviceTAKEDA TAKASHI·Filed 2011·Granted Sep 16, 2014·298 cites·17 claims
- 0299US8711487B2Virtual image display device and manufacturing method of virtual image display deviceTAKEDA TAKASHI·Filed 2012·Granted Apr 29, 2014·312 cites·13 claims
- 0399US8126025B2Laser light source apparatus, and monitoring apparatus and image display apparatus using the sameTAKEDA TAKASHI·Filed 2008·Granted Feb 28, 2012·113 cites·8 claims
- 0498US8854735B2Virtual image display systemTOTANI TAKAHIRO·Filed 2012·Granted Oct 7, 2014·177 cites·9 claims
- 0598US8662686B2Light guide plate and virtual image display apparatus having the sameTAKAGI MASAYUKI·Filed 2011·Granted Mar 4, 2014·305 cites·21 claims
- 0698US8587869B2Virtual image display deviceTOTANI TAKAHIRO·Filed 2012·Granted Nov 19, 2013·303 cites·13 claims
- 0798US8576491B2Virtual image display deviceTAKAGI MASAYUKI·Filed 2012·Granted Nov 5, 2013·313 cites·16 claims
- 0898US8564883B2Virtual image display deviceTOTANI TAKAHIRO·Filed 2012·Granted Oct 22, 2013·311 cites·17 claims
- 0998US6438282B1Optical switching device and image display deviceSEIKO EPSON CORP·Filed 2001·Granted Aug 20, 2002·190 cites·1 claims
- 1096US12005876B2Braking control deviceSUBARU CORP·Filed 2022·Granted Jun 11, 2024·2 cites·9 claims
- 1196US10397560B2Transmission-type displaySEIKO EPSON CORP·Filed 2016·Granted Aug 27, 2019·17 cites·14 claims
- 1296US7377656B2ProjectorSEIKO EPSON CORP·Filed 2005·Granted May 27, 2008·38 cites·18 claims
- 1396US7360900B2Illuminating apparatus, image display apparatus, and projectorSEIKO EPSON CORP·Filed 2005·Granted Apr 22, 2008·40 cites·17 claims
- 1495US11264792B2Secondary battery protection circuit, secondary battery protection apparatus and battery packTAKEDA TAKASHI·Filed 2020·Granted Mar 1, 2022·4 cites·10 claims
- 1594US11662587B2Virtual image display deviceSEIKO EPSON CORP·Filed 2021·Granted May 30, 2023·3 cites·10 claims
- 1694US11550155B2Virtual image display apparatus and optical unitSEIKO EPSON CORP·Filed 2021·Granted Jan 10, 2023·3 cites·8 claims
- 1794US10078222B2Light guide device and virtual-image display deviceSEIKO EPSON CORP·Filed 2017·Granted Sep 18, 2018·13 cites·21 claims
- 1893US11646569B2Secondary battery protection circuit, secondary battery protection apparatus and battery packMITSUMI ELECTRIC CO LTD·Filed 2022·Granted May 9, 2023·2 cites·6 claims
- 1993US10520733B2Virtual image display device including first and second light guiding units and manufacturing method thereofSEIKO EPSON CORP·Filed 2017·Granted Dec 31, 2019·8 cites·15 claims
- 2093US7475993B2Light scanning device and image display deviceSEIKO EPSON CORP·Filed 2006·Granted Jan 13, 2009·16 cites·13 claims
- 2193US7384159B2Light source unit and image display unitSEIKO EPSON CORP·Filed 2005·Granted Jun 10, 2008·18 cites·5 claims
- 2292US10180576B2Virtual image display deviceSEIKO EPSON CORP·Filed 2017·Granted Jan 15, 2019·6 cites·18 claims
- 2392US7303288B2Image display deviceSEIKO EPSON CORP·Filed 2005·Granted Dec 4, 2007·18 cites·20 claims
- 2491US12306401B2Display module having light-shielding portions with apertures having different shapes, virtual display apparatus, and manufacturing method for light-guiding optical deviceSEIKO EPSON CORP·Filed 2021·Granted May 20, 2025·1 cites·11 claims
- 2591US9513479B2Virtual image display apparatusSEIKO EPSON CORP·Filed 2014·Granted Dec 6, 2016·12 cites·10 claims
- 2691US7192147B2Lighting system and projectorSEIKO EPSON CORP·Filed 2003·Granted Mar 20, 2007·41 cites·4 claims
- 2791US5680384ALaser emission unit, optical head and optical memory deviceSEIKO EPSON CORP·Filed 1995·Granted Oct 21, 1997·61 cites·31 claims
- 2891US4827349ACommunication terminal deviceCANON KK·Filed 1986·Granted May 2, 1989·97 cites·17 claims
- 2990US10108015B2Light guide device and virtual image display apparatusSEIKO EPSON CORP·Filed 2015·Granted Oct 23, 2018·6 cites·18 claims
- 3090US9261688B2Image relay optical system and virtual image display device including the sameTAKEDA TAKASHI·Filed 2012·Granted Feb 16, 2016·11 cites·15 claims
- 3190US9116342B2Virtual image display apparatusSEIKO EPSON CORP·Filed 2013·Granted Aug 25, 2015·11 cites·12 claims
- 3290US7494227B2Image display device and method of controlling image display deviceSEIKO EPSON CORP·Filed 2006·Granted Feb 24, 2009·13 cites·13 claims
- 3390US6397634B1Bend-shaping method and apparatus for a glass plateASAHI GLASS CO LTD·Filed 2000·Granted Jun 4, 2002·32 cites·20 claims
- 3489US10139630B2Image display device with optical systems to guide light to a pupilSEIKO EPSON CORP·Filed 2015·Granted Nov 27, 2018·6 cites·5 claims
- 3589US8212528B2Rechargeable battery protection integrated circuit device with a short circuit detecting voltage change part, rechargeable battery protection module using the rechargeable battery protection integrated circuit device with a short circuit detecting voltage change part, and battery pack with a short circuit detecting voltage change partTAKEDA TAKASHI·Filed 2009·Granted Jul 3, 2012·8 cites·6 claims
- 3689US7477435B2ProjectorSEIKO EPSON CORP·Filed 2006·Granted Jan 13, 2009·12 cites·9 claims
- 3789US7207677B2Image display device and projectorSEIKO EPSON CORP·Filed 2004·Granted Apr 24, 2007·22 cites·23 claims
- 3888US12111367B2Cable abnormality assessment system, slave device, and cable abnormality assessment methodOMRON TATEISI ELECTRONICS CO·Filed 2021·Granted Oct 8, 2024·2 cites·8 claims
- 3988US10606095B2Virtual image display deviceSEIKO EPSON CORP·Filed 2019·Granted Mar 31, 2020·5 cites·10 claims
- 4088US7390129B2Light source, method for manufacturing light source, and projectorSEIKO EPSON CORP·Filed 2005·Granted Jun 24, 2008·19 cites·18 claims
- 4188US4353097AFacsimile apparatusCANON KK·Filed 1980·Granted Oct 5, 1982·57 cites·14 claims
- 4287US11575161B2Secondary battery protection circuit, secondary battery protection apparatus, battery pack and temperature detection circuitWATANABE YOHEI·Filed 2020·Granted Feb 7, 2023·3 cites·13 claims
- 4387US10645374B2Head-mounted display device and display control method for head-mounted display deviceSEIKO EPSON CORP·Filed 2017·Granted May 5, 2020·5 cites·18 claims
- 4487US8513838B2Electric power toolTOUKAIRIN JUNICHI·Filed 2010·Granted Aug 20, 2013·29 cites·15 claims
- 4587US7354157B2Image display device and light source deviceSEIKO EPSON CORP·Filed 2006·Granted Apr 8, 2008·10 cites·7 claims
- 4686US8576460B2Image reading deviceTAKEDA TAKASHI·Filed 2012·Granted Nov 5, 2013·8 cites·20 claims
- 4786US8183835B2Battery packTAKEDA TAKASHI·Filed 2009·Granted May 22, 2012·26 cites·3 claims
- 4886US8148946B2Battery pack having protection circuit for secondary batteryTAKEDA TAKASHI·Filed 2008·Granted Apr 3, 2012·26 cites·4 claims
- 4986US7583875B2Illumination device, image display device, and projectorSEIKO EPSON CORP·Filed 2006·Granted Sep 1, 2009·13 cites·16 claims
- 5086US7574442B2Content providing system, content providing server, information processing apparatus, and computer programSONY CORP·Filed 2005·Granted Aug 11, 2009·12 cites·9 claims
Showing the top 50 of 341 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →