Inventor · disambiguated record
Yohei Takano
Also filed as: TAKANO YOHEI
47 granted patents·7 pending applications·59 citations·filing 2007–2025
96Inventor score
Top patents by PatentIndex Score
54 records- 0191US9864177B2Projection optical system, projection apparatus, and projection systemTAKANO YOHEI·Filed 2016·Granted Jan 9, 2018·6 cites·18 claims
- 0290US10067324B2Projection device and projection systemTAKANO YOHEI·Filed 2017·Granted Sep 4, 2018·4 cites·11 claims
- 0390US7933074B2Zoom lens unit and information deviceRICOH CO LTD·Filed 2010·Granted Apr 26, 2011·12 cites·17 claims
- 0488US9261767B2Projection optical system and image display apparatusTAKANO YOHEI·Filed 2014·Granted Feb 16, 2016·5 cites·14 claims
- 0585US9523842B2Projection device and projection systemTAKANO YOHEI·Filed 2015·Granted Dec 20, 2016·3 cites·20 claims
- 0685US8179610B2Zoom lens and information deviceTAKANO YOHEI·Filed 2010·Granted May 15, 2012·8 cites·18 claims
- 0783US9690084B2Projection device and projection systemTAKANO YOHEI·Filed 2016·Granted Jun 27, 2017·2 cites·17 claims
- 0882US8054559B2Zoom lens, information device, and imaging apparatusRICOH CO LTD·Filed 2010·Granted Nov 8, 2011·5 cites·18 claims
- 0982US2025231472A1Light-source device, image projection apparatus, and display deviceRICOH CO LTD·Filed 2025·Application pending·0 cites
- 1080US8705180B2Zoom lens, imaging device and information deviceTAKANO YOHEI·Filed 2012·Granted Apr 22, 2014·4 cites·10 claims
- 1176US11762272B2Light-source device and image projection apparatusRICOH CO LTD·Filed 2022·Granted Sep 19, 2023·0 cites·20 claims
- 1276US7929071B2Electric field generating device comprising an electric field generating resistor and line electrodes, light deflecting device having the same, and image display apparatus having the sameRICOH CO LTD·Filed 2007·Granted Apr 19, 2011·3 cites·16 claims
- 1376US2025046898A1Cathode recovery apparatusHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1475US12271104B2Light-source device, image projection apparatus, and display deviceTAKANO YOHEI·Filed 2022·Granted Apr 8, 2025·0 cites·19 claims
- 1575US10890840B2Projection optical system unit, projection optical system, and projection optical apparatusTAKANO YOHEI·Filed 2019·Granted Jan 12, 2021·2 cites·18 claims
- 1675US10241308B2Projection optical system including movable lens groups and image display apparatusRICOH CO LTD·Filed 2017·Granted Mar 26, 2019·1 cites·13 claims
- 1773US12114106B2Light-source device and image forming apparatus including sameRICOH CO LTD·Filed 2023·Granted Oct 8, 2024·0 cites·19 claims
- 1873US12072617B2Light source optical system, light source device, light source unit, and image display apparatusRICOH CO LTD·Filed 2023·Granted Aug 27, 2024·0 cites·18 claims
- 1969US11669004B2Light source optical system, light source device, light source unit, and image display apparatusHIRAKAWA MAKOTO·Filed 2021·Granted Jun 6, 2023·0 cites·11 claims
- 2069US11314157B2Light source optical system, light source device, and image projection apparatusTAKANO YOHEI·Filed 2021·Granted Apr 26, 2022·0 cites·19 claims
- 2169US10962750B2Projection optical system, projection apparatus, and projection systemRICOH CO LTD·Filed 2020·Granted Mar 30, 2021·0 cites·16 claims
- 2266US11677914B2Light-source device and image forming apparatus including sameTAKANO YOHEI·Filed 2020·Granted Jun 13, 2023·0 cites·20 claims
- 2366US10942434B2Light source optical system, light source device, and image projection apparatusTAKANO YOHEI·Filed 2020·Granted Mar 9, 2021·0 cites·18 claims
- 2465US9244257B2Projection optical system and projector apparatusTAKANO YOHEI·Filed 2014·Granted Jan 26, 2016·1 cites·9 claims
- 2564US11506967B2Light-source device and image projection apparatusNAKAMURA KASUMI·Filed 2020·Granted Nov 22, 2022·0 cites·19 claims
- 2663US11042082B2Projection optical system including movable lens groups, a non-movable lens group, and a curved mirrorRICOH CO LTD·Filed 2019·Granted Jun 22, 2021·0 cites·16 claims
- 2763US10585269B2Projection optical system, projection apparatus, and projection systemRICOH CO LTD·Filed 2019·Granted Mar 10, 2020·0 cites·16 claims
- 2862US11953816B2Wavelength conversion plate, light source device, and image projection apparatusFUJITA KAZUHIRO·Filed 2022·Granted Apr 9, 2024·0 cites·20 claims
- 2962US8638503B2Zoom lens and information device incorporating the sameTAKANO YOHEI·Filed 2012·Granted Jan 28, 2014·1 cites·16 claims
- 3062US2024039067A1Treatment method for positive electrode of non-aqueous electrolyte secondary batteryJAPAN METALS & CHEMICALS CO LTD·Filed 2021·Application pending·0 cites
- 3161US8649108B2Zoom lens, camera device, and data terminal deviceATSUUMI HIROMICHI·Filed 2012·Granted Feb 11, 2014·1 cites·9 claims
- 3260US11874592B2Light source device and image projection apparatusNAKAMURA KASUMI·Filed 2022·Granted Jan 16, 2024·0 cites·14 claims
- 3360US11537037B2Light source device, image projection apparatus, and light source optical systemTAKANO YOHEI·Filed 2021·Granted Dec 27, 2022·0 cites·10 claims
- 3460US10228546B2Projection optical system, projection apparatus, and projection systemRICOH CO LTD·Filed 2017·Granted Mar 12, 2019·0 cites·16 claims
- 3558US8158020B2Liquid crystal element, optical path deflecting element, and image displaying apparatusTAKANO YOHEI·Filed 2007·Granted Apr 17, 2012·1 cites·1 claims
- 3656US9013802B2Zoom lens, imaging device and information deviceTAKANO YOHEI·Filed 2014·Granted Apr 21, 2015·0 cites·7 claims
- 3755US11640106B2Light source optical system, light source device, and image projection apparatusTAKANO YOHEI·Filed 2019·Granted May 2, 2023·0 cites·20 claims
- 3855US9766438B2Projection optical system and image display apparatus including a refraction optical system and first and second reflecing surfacesRICOH CO LTD·Filed 2015·Granted Sep 19, 2017·0 cites·15 claims
- 3954US11720010B2Light source device and projection deviceFUJITA KAZUHIRO·Filed 2021·Granted Aug 8, 2023·0 cites·20 claims
- 4054US9645371B2Projection optical system and projector apparatusRICOH CO LTD·Filed 2015·Granted May 9, 2017·0 cites·16 claims
- 4154US2023288791A1Light source device and display apparatusTAKANO YOHEI·Filed 2023·Application pending·0 cites
- 4254US2023259012A1Illumination device and projectorSASAKI TAKASHI·Filed 2023·Application pending·0 cites
- 4352US8264781B2Zoom lens, information device, and imaging apparatusTAKANO YOHEI·Filed 2011·Granted Sep 11, 2012·0 cites·9 claims
- 4452US2020230886A1Fabricating apparatus, fabricating system, fabricating method, and recording mediumTAKANO YOHEI·Filed 2019·Application pending·0 cites
- 4552US2023251558A1Light source device and projection apparatusNAKAMURA KASUMI·Filed 2023·Application pending·0 cites
- 4651US12066752B2Light-source device, image projection apparatus, and light-source optical systemFUJITA KAZUHIRO·Filed 2020·Granted Aug 20, 2024·0 cites·14 claims
- 4751US11812201B2Light guide optical device, light source device, and image projection apparatusSASAKI TAKASHI·Filed 2022·Granted Nov 7, 2023·0 cites·20 claims
- 4850US12130544B2Light-source optical system, light-source device, and image display apparatusTAKANO YOHEI·Filed 2020·Granted Oct 29, 2024·0 cites·16 claims
- 4948US10725369B2Light source device and image display apparatusNAKAMURA KASUMI·Filed 2019·Granted Jul 28, 2020·0 cites·10 claims
- 5046US11630288B2Image projection apparatusTAKANO YOHEI·Filed 2021·Granted Apr 18, 2023·0 cites·8 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →