Inventor · disambiguated record
Yoshifumi Sudoh
Also filed as: SUDOH YOSHIFUMI
37 granted patents·8 pending applications·229 citations·filing 2007–2025
97Inventor score
Top patents by PatentIndex Score
45 records- 0192US9864167B2Image forming lens and image capturing deviceOHASHI KAZUYASU·Filed 2015·Granted Jan 9, 2018·10 cites·19 claims
- 0291US7636201B2Zoom lens and camera device including the sameRICOH KK·Filed 2008·Granted Dec 22, 2009·26 cites·12 claims
- 0391US7372636B2Zoom lens and image-taking deviceRICOH KK·Filed 2007·Granted May 13, 2008·27 cites·9 claims
- 0490US8018663B2Image forming lens, camera and portable information terminalRICOH CO LTD·Filed 2009·Granted Sep 13, 2011·23 cites·18 claims
- 0590US7719773B2Zoom lens unit and imaging apparatusRICOH KK·Filed 2008·Granted May 18, 2010·22 cites·15 claims
- 0689US8379329B2Imaging optical system, camera and personal digital assistantRICOH CO LTD·Filed 2010·Granted Feb 19, 2013·10 cites·16 claims
- 0789US7864443B2Zoom lens, imaging apparatus, and personal data assistantRICOH CO LTD·Filed 2008·Granted Jan 4, 2011·20 cites·8 claims
- 0889US7535653B2Zoom lens, imaging device and camera device and mobile information terminal using the zoom lensRICOH KK·Filed 2007·Granted May 19, 2009·21 cites·16 claims
- 0988US7623298B2Zoom lens, camera apparatus, and portable information terminal apparatusRICOH KK·Filed 2008·Granted Nov 24, 2009·18 cites·11 claims
- 1087US8139297B2Imaging optical system, camera apparatus, and personal digital assistantSUDOH YOSHIFUMI·Filed 2010·Granted Mar 20, 2012·8 cites·19 claims
- 1181US7869143B2Imaging optical system, camera apparatus, and personal digital assistantRICOH CO LTD·Filed 2009·Granted Jan 11, 2011·9 cites·13 claims
- 1279US8405917B2Zoom lens, imaging device and information deviceSUDOH YOSHIFUMI·Filed 2011·Granted Mar 26, 2013·5 cites·17 claims
- 1378US8369030B2Image forming lens, camera device, and handheld terminalRICOH CO LTD·Filed 2010·Granted Feb 5, 2013·4 cites·16 claims
- 1477US8081355B2Illumination unit, image read apparatus, image formation apparatusNISHINA KIICHIRO·Filed 2008·Granted Dec 20, 2011·5 cites·19 claims
- 1576US8284501B2Optical imaging system, camera device, and hand-held data terminal deviceSUDOH YOSHIFUMI·Filed 2010·Granted Oct 9, 2012·4 cites·18 claims
- 1676US8199371B2Image reader and image formation apparatusNISHINA KIICHIRO·Filed 2009·Granted Jun 12, 2012·4 cites·11 claims
- 1772US9297988B2Zoom lens and device having zoom lensSUDOH YOSHIFUMI·Filed 2014·Granted Mar 29, 2016·2 cites·11 claims
- 1870US9170398B2Imaging lens system and imaging system including the sameSUDOH YOSHIFUMI·Filed 2014·Granted Oct 27, 2015·2 cites·10 claims
- 1967US9325907B2Zoom lens and cameraSUDOH YOSHIFUMI·Filed 2014·Granted Apr 26, 2016·1 cites·13 claims
- 2064US12411343B2Optical system, virtual image display device, and head-mounted displaySUDOH YOSHIFUMI·Filed 2023·Granted Sep 9, 2025·0 cites·20 claims
- 2164US9213172B2Zoom lens unit and cameraSUDOH YOSHIFUMI·Filed 2014·Granted Dec 15, 2015·1 cites·10 claims
- 2263US9772469B2Image forming lens and image capturing deviceSUDOH YOSHIFUMI·Filed 2015·Granted Sep 26, 2017·1 cites·20 claims
- 2363US9195036B2Zoom lens, camera, and portable information deviceSUDOH YOSHIFUMI·Filed 2014·Granted Nov 24, 2015·1 cites·20 claims
- 2463US7961365B2Image reading apparatus and image forming apparatusRICOH CO LTD·Filed 2008·Granted Jun 14, 2011·1 cites·17 claims
- 2562US12117668B2Propagation optical system, virtual image display apparatus, and head-mounted displaySUDOH YOSHIFUMI·Filed 2022·Granted Oct 15, 2024·0 cites·10 claims
- 2662US9690072B2Image forming lens and image capturing deviceSUDOH YOSHIFUMI·Filed 2015·Granted Jun 27, 2017·1 cites·9 claims
- 2761US9329367B2Zoom lens, camera, and portable information terminal deviceSUDOH YOSHIFUMI·Filed 2015·Granted May 3, 2016·1 cites·12 claims
- 2861US8553335B2Optical imaging system, camera device, and hand-held data terminal deviceSUDOH YOSHIFUMI·Filed 2011·Granted Oct 8, 2013·1 cites·12 claims
- 2960US8493665B2Zoom lens, imaging apparatus, and information deviceSUDOH YOSHIFUMI·Filed 2011·Granted Jul 23, 2013·1 cites·10 claims
- 3059US2024201501A1Head-mounted display and eyeglassesHASEGAWA AINO·Filed 2023·Application pending·0 cites
- 3156US12265225B2Light guide member and display deviceNAKAMURA NAOKI·Filed 2021·Granted Apr 1, 2025·0 cites·19 claims
- 3256US2023266595A1Optical system for virtual image display device, virtual image display device, and head-mounted displaySUDOH YOSHIFUMI·Filed 2023·Application pending·0 cites
- 3353US2025085550A1Optical system and display deviceSUDOH YOSHIFUMI·Filed 2024·Application pending·0 cites
- 3452US12449582B2Light guide and virtual-image display deviceNAKAMURA NAOKI·Filed 2021·Granted Oct 21, 2025·0 cites·11 claims
- 3551US2024264440A1Optical system, virtual image display device, and head-mounted displaySUDOH YOSHIFUMI·Filed 2024·Application pending·0 cites
- 3650US11009688B2Image forming lens, imaging appratus, inspection apparatusSUDOH YOSHIFUMI·Filed 2017·Granted May 18, 2021·0 cites·13 claims
- 3750US9500876B2Zoom lens unit and imaging apparatusSUDOH YOSHIFUMI·Filed 2014·Granted Nov 22, 2016·0 cites·9 claims
- 3849US12181673B2Propagation optical system and virtual image display deviceSUDOH YOSHIFUMI·Filed 2021·Granted Dec 31, 2024·0 cites·20 claims
- 3949US2025244573A1Retinal projection image display deviceTANAKA SHU·Filed 2025·Application pending·0 cites
- 4048US12099207B2Virtual image display deviceNAKAMURA NAOKI·Filed 2020·Granted Sep 24, 2024·0 cites·20 claims
- 4148US11656461B2Head-mounted display device with adjusterRICOH CO LTD·Filed 2020·Granted May 23, 2023·0 cites·20 claims
- 4248US11237406B2Zoom lens system and imaging apparatus provided with the sameRICOH CO LTD·Filed 2019·Granted Feb 1, 2022·0 cites·13 claims
- 4348US2023039870A1Light guide and virtual image display deviceMOMMA SUSUMU·Filed 2022·Application pending·0 cites
- 4443US2022252838A1Lens unit, optical system, and electronic apparatusSUDOH YOSHIFUMI·Filed 2022·Application pending·0 cites
- 4542US2024085701A1Optical system, virtual image display device, and head-mounted displayTSUTSUI TAKEMASA·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →