Inventor · disambiguated record
Takehito Kawasumi
Also filed as: KAWASUMI TAKEHITO
21 granted patents·1 pending application·26 citations·filing 2010–2024
91Inventor score
Top patents by PatentIndex Score
22 records- 0188US10133169B2Light source optical system and projection display apparatus employing the sameCANON KK·Filed 2018·Granted Nov 20, 2018·4 cites·20 claims
- 0285US10082731B2Illumination apparatus and projection display apparatus using the sameCANON KK·Filed 2017·Granted Sep 25, 2018·5 cites·20 claims
- 0382US10564528B2Image projection apparatus including light modulation elementsCANON KK·Filed 2018·Granted Feb 18, 2020·3 cites·8 claims
- 0479US8857996B2Illumination optical system and image projection apparatusKAWASUMI TAKEHITO·Filed 2012·Granted Oct 14, 2014·5 cites·11 claims
- 0576US8955977B2Projection-type image display apparatusYAMAGUCHI YUTAKA·Filed 2012·Granted Feb 17, 2015·3 cites·12 claims
- 0670US10712647B2Illumination apparatus and image projection apparatusCANON KK·Filed 2019·Granted Jul 14, 2020·1 cites·13 claims
- 0769US10073330B2Illumination apparatus and projection type display apparatusCANON KK·Filed 2017·Granted Sep 11, 2018·1 cites·30 claims
- 0868US9921462B2Light source optical system and projection display apparatus employing the sameCANON KK·Filed 2016·Granted Mar 20, 2018·1 cites·10 claims
- 0968US9851631B2Light source optical system and projection display apparatus employing the sameCANON KK·Filed 2016·Granted Dec 26, 2017·1 cites·16 claims
- 1066US8702240B2Image display apparatusKAWASUMI TAKEHITO·Filed 2010·Granted Apr 22, 2014·2 cites·30 claims
- 1163US11754914B2Light source apparatus and image projection apparatusCANON KK·Filed 2021·Granted Sep 12, 2023·0 cites·20 claims
- 1262US11656541B2Light source apparatus and image projection apparatus having the sameCANON KK·Filed 2021·Granted May 23, 2023·0 cites·12 claims
- 1359US2024307998A1MicroscopeDISCO CORP·Filed 2024·Application pending·0 cites
- 1455US10768518B2Light source apparatus and image projection apparatus having the sameCANON KK·Filed 2019·Granted Sep 8, 2020·0 cites·16 claims
- 1553US11879717B2Measuring apparatusDISCO CORP·Filed 2021·Granted Jan 23, 2024·0 cites·14 claims
- 1652US10670947B2Image projection apparatus that projects superimposed imagesCANON KK·Filed 2018·Granted Jun 2, 2020·0 cites·7 claims
- 1751US9389427B2Optical system and projection display apparatus using the sameCANON KK·Filed 2013·Granted Jul 12, 2016·0 cites·12 claims
- 1846US9436073B2Illumination optical system and image projection apparatusCANON KK·Filed 2014·Granted Sep 6, 2016·0 cites·18 claims
- 1945US11006084B2Color separation and combination optical system and image projection apparatus having the sameCANON KK·Filed 2019·Granted May 11, 2021·0 cites·9 claims
- 2041US9638992B2Illumination optical system and image projection apparatusCANON KK·Filed 2015·Granted May 2, 2017·0 cites·8 claims
- 2137US10015455B2Optical apparatus and image projection apparatus having multiple reflective light modulators and multiple dichroic surface that separate light into multiple color lights and combines themCANON KK·Filed 2015·Granted Jul 3, 2018·0 cites·12 claims
- 2232US11561461B2Light source apparatus and image projection apparatusCANON KK·Filed 2020·Granted Jan 24, 2023·0 cites·8 claims
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