Inventor · disambiguated record
Chih-Hsien Tsai
Also filed as: TSAI CHIH-HSIEN
47 granted patents·16 pending applications·78 citations·filing 2007–2022
96Inventor score
Top patents by PatentIndex Score
63 records- 0197US10444611B2Projector and illumination system thereofCORETRONIC CORP·Filed 2018·Granted Oct 15, 2019·17 cites·22 claims
- 0295US10437068B2Optical waveguide element and display deviceCORETRONIC CORP·Filed 2018·Granted Oct 8, 2019·22 cites·10 claims
- 0389US10429650B2Head-mounted displayCORETRONIC CORP·Filed 2017·Granted Oct 1, 2019·3 cites·12 claims
- 0482US11199765B2Illumination system, projection device and operating method thereofCORETRONIC CORP·Filed 2019·Granted Dec 14, 2021·3 cites·28 claims
- 0579US11886102B2Illumination system and projection deviceCORETRONIC CORP·Filed 2021·Granted Jan 30, 2024·1 cites·19 claims
- 0678US10795249B2Projector and illumination systemCORETRONIC CORP·Filed 2018·Granted Oct 6, 2020·2 cites·23 claims
- 0778US10564536B2Projection screen and projection systemCORETRONIC CORP·Filed 2018·Granted Feb 18, 2020·2 cites·24 claims
- 0878US8585210B2Projection apparatus and projection lensCHENG CHU-MING·Filed 2010·Granted Nov 19, 2013·5 cites·21 claims
- 0977US10630945B2Projection device and light engine moduleCORETRONIC CORP·Filed 2019·Granted Apr 21, 2020·2 cites·19 claims
- 1077US7850315B2Projection apparatus and light integration rod thereofYOUNG OPTICS INC·Filed 2007·Granted Dec 14, 2010·7 cites·18 claims
- 1175US11126075B2Projection deviceCORETRONIC CORP·Filed 2020·Granted Sep 21, 2021·1 cites·12 claims
- 1275US10627624B2Head-mounted displayCORETRONIC CORP·Filed 2017·Granted Apr 21, 2020·2 cites·16 claims
- 1374US10663735B2Head-mounted displayCORETRONIC CORP·Filed 2019·Granted May 26, 2020·1 cites·12 claims
- 1473US12013545B2Display systemYOUNG OPTICS INC·Filed 2022·Granted Jun 18, 2024·0 cites·20 claims
- 1573US10571792B2Projection device and projection systemCORETRONIC CORP·Filed 2018·Granted Feb 25, 2020·1 cites·26 claims
- 1670US10558114B2Illumination system and projection apparatus having a small volumeCORETRONIC CORP·Filed 2019·Granted Feb 11, 2020·1 cites·24 claims
- 1770US9207807B2Vehicular optical touch apparatusTSAI CHIH-HSIEN·Filed 2013·Granted Dec 8, 2015·3 cites·16 claims
- 1869US10678122B2Wavelength conversion deviceCORETRONIC CORP·Filed 2018·Granted Jun 9, 2020·1 cites·13 claims
- 1969US9128357B2Vehicular projection system projecting on multiple screensCHUNG PO-JEN·Filed 2012·Granted Sep 8, 2015·3 cites·10 claims
- 2067US10139628B2Head-mounted displayCORETRONIC CORP·Filed 2017·Granted Nov 27, 2018·1 cites·6 claims
- 2163US11768314B2Projection system and method for sensing occupancy of a user and objects in a spaceCORETRONIC CORP·Filed 2021·Granted Sep 26, 2023·0 cites·10 claims
- 2259US10824068B2Phosphor wheel and projector using the phosphor wheelCORETRONIC CORP·Filed 2018·Granted Nov 3, 2020·0 cites·18 claims
- 2356US11467479B2Polarizing rotation device and projection deviceCORETRONIC CORP·Filed 2019·Granted Oct 11, 2022·0 cites·25 claims
- 2456US11347067B2Display systemTSAI CHIH HSIEN·Filed 2014·Granted May 31, 2022·0 cites·16 claims
- 2556US2022283304A1Light source module and lidar deviceCORETRONIC CORP·Filed 2022·Application pending·0 cites
- 2656US2022229286A1Mems device and optical deviceCORETRONIC CORP·Filed 2021·Application pending·0 cites
- 2752US10816885B2Illumination system, projection apparatus, and projection method of projection apparatusCORETRONIC CORP·Filed 2019·Granted Oct 27, 2020·0 cites·16 claims
- 2851US11153545B2Projection device and illumination system thereofCORETRONIC CORP·Filed 2020·Granted Oct 19, 2021·0 cites·16 claims
- 2951US10288887B2Head-mounted display deviceCORETRONIC CORP·Filed 2018·Granted May 14, 2019·0 cites·10 claims
- 3050US10520802B2Illumination system and projection apparatusCORETRONIC CORP·Filed 2018·Granted Dec 31, 2019·0 cites·20 claims
- 3150US9341853B2Stereo image displaying system and stereo image capturing systemTSAI CHIH-HSIEN·Filed 2012·Granted May 17, 2016·0 cites·16 claims
- 3249US10788741B2Projection device and illumination system thereofCORETRONIC CORP·Filed 2019·Granted Sep 29, 2020·0 cites·22 claims
- 3349US9268143B2Image rearranging lens and projection apparatusTSAI CHIH-HSIEN·Filed 2013·Granted Feb 23, 2016·0 cites·20 claims
- 3448US11402738B2Illumination system and projection apparatusCORETRONIC CORP·Filed 2019·Granted Aug 2, 2022·0 cites·16 claims
- 3548US10802387B2Illumination system, projection apparatus, and projection method of projection apparatusCORETRONIC CORP·Filed 2019·Granted Oct 13, 2020·0 cites·21 claims
- 3648US9400415B2Image displaying device and methodYOUNG OPTICS INC·Filed 2013·Granted Jul 26, 2016·0 cites·14 claims
- 3747US11841612B2Illumination system and projection deviceCORETRONIC CORP·Filed 2021·Granted Dec 12, 2023·0 cites·18 claims
- 3847US10602101B2Light source module and projection deviceCORETRONIC CORP·Filed 2018·Granted Mar 24, 2020·0 cites·15 claims
- 3947US2020142290A1Composite phase conversion element and projection apparatusCORETRONIC CORP·Filed 2019·Application pending·0 cites
- 4046US11086206B2Illumination system, projection apparatus, and projection method of projection apparatusCORETRONIC CORP·Filed 2019·Granted Aug 10, 2021·0 cites·17 claims
- 4146US10598934B2Head-mounted display apparatusCORETRONIC CORP·Filed 2016·Granted Mar 24, 2020·0 cites·8 claims
- 4245US10824062B2Illumination system having two sensors, projection device comprising such an illumination system and illumination control method thereofCORETRONIC CORP·Filed 2019·Granted Nov 3, 2020·0 cites·22 claims
- 4345US10824069B2Projection apparatus and illumination systemCORETRONIC CORP·Filed 2019·Granted Nov 3, 2020·0 cites·12 claims
- 4445US10775689B2Illumination system and projection apparatusCORETRONIC CORP·Filed 2018·Granted Sep 15, 2020·0 cites·11 claims
- 4545US2021041776A1Lighting system and projection deviceCORETRONIC CORP·Filed 2020·Application pending·0 cites
- 4644US10761414B2Projection apparatus and light source apparatus having wavelength conversion device and filter deviceCORETRONIC CORP·Filed 2018·Granted Sep 1, 2020·0 cites·14 claims
- 4744US10547816B2Projection device and illumination systemCORETRONIC CORP·Filed 2019·Granted Jan 28, 2020·0 cites·16 claims
- 4844US10234603B2Head mounted display deviceCORETRONIC CORP·Filed 2016·Granted Mar 19, 2019·0 cites·20 claims
- 4944US9272622B2Multi-view movable projection systemTSAI CHIH-HSIEN·Filed 2012·Granted Mar 1, 2016·0 cites·12 claims
- 5043US2019253676A1Illumination system and projection apparatusCORETRONIC CORP·Filed 2019·Application pending·0 cites
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →