Inventor · disambiguated record
Litong Song
Also filed as: SONG LITONG
16 granted patents·5 pending applications·4 citations·filing 2016–2025
85Inventor score
Files withZHEJIANG SUNNY OPTICS CO LTD12ZHEJIANG SUNNY OPTICAL CO LTD7YUYAO SUNNY OPTICAL INTELLIGENCE TECH CO LTD2
Top patents by PatentIndex Score
21 records- 0186US11719912B2Optical imaging systemZHEJIANG SUNNY OPTICAL CO LTD·Filed 2020·Granted Aug 8, 2023·2 cites·18 claims
- 0280US11022767B2TO-CAN capZHEJIANG SUNNY OPTICAL CO LTD·Filed 2020·Granted Jun 1, 2021·2 cites·15 claims
- 0366US2025341704A1Optical imaging lens assemblyZHEJIANG SUNNY OPTICS CO LTD·Filed 2025·Application pending·0 cites
- 0464US2025377542A1Virtual reality systemZHEJIANG SUNNY OPTICS CO LTD·Filed 2025·Application pending·0 cites
- 0559US2025314899A1Virtual reality apparatusZHEJIANG SUNNY OPTICS CO LTD·Filed 2024·Application pending·0 cites
- 0659US2025347886A1Photographing lens assemblyZHEJIANG SUNNY OPTICS CO LTD·Filed 2025·Application pending·0 cites
- 0758US12164084B2Optical imaging lens assemblyZHEJIANG SUNNY OPTICS CO LTD·Filed 2021·Granted Dec 10, 2024·0 cites·20 claims
- 0858US12164082B2Optical imaging lens assemblyZHEJIANG SUNNY OPTICS CO LTD·Filed 2021·Granted Dec 10, 2024·0 cites·18 claims
- 0957US11899179B2Optical imaging lens assemblyZHEJIANG SUNNY OPTICS CO LTD·Filed 2021·Granted Feb 13, 2024·0 cites·18 claims
- 1056US12216248B2Optical imaging lens assemblyZHEJIANG SUNNY OPTICS CO LTD·Filed 2022·Granted Feb 4, 2025·0 cites·20 claims
- 1154US12222466B2Optical imaging systemZHEJIANG SUNNY OPTICS CO LTD·Filed 2022·Granted Feb 11, 2025·0 cites·20 claims
- 1252US10884234B2Eyepiece and display device including eyepieceZHEJIANG SUNNY OPTICAL CO LTD·Filed 2018·Granted Jan 5, 2021·0 cites·17 claims
- 1350US11385441B2Projection lens assemblyZHEJIANG SUNNY OPTICAL CO LTD·Filed 2018·Granted Jul 12, 2022·0 cites·18 claims
- 1448US12461337B2Optical imaging lens assemblyZHEJIANG SUNNY OPTICS CO LTD·Filed 2021·Granted Nov 4, 2025·0 cites·18 claims
- 1547US11112589B2Optical imaging lens assemblyZHEJIANG SUNNY OPTICAL CO LTD·Filed 2019·Granted Sep 7, 2021·0 cites·19 claims
- 1646US12085693B2Optical lens groupZHEJIANG SUNNY OPTICAL CO LTD·Filed 2020·Granted Sep 10, 2024·0 cites·16 claims
- 1741US11002951B2Oculars and display devices including the sameZHEJIANG SUNNY OPTICAL CO LTD·Filed 2017·Granted May 11, 2021·0 cites·20 claims
- 1838US11743446B2Head-mounted viewable device and eye-tracking system for use in head-mounted viewable deviceYUYAO SUNNY OPTICAL INTELLIGENCE TECH CO LTD·Filed 2022·Granted Aug 29, 2023·0 cites·20 claims
- 1938US10606065B2EyepieceZHEJIANG SUNNY OPTICS CO LTD·Filed 2016·Granted Mar 31, 2020·0 cites·8 claims
- 2037US2021141211A1Eyepiece and Display DeviceZHEJIANG SUNNY OPTICS CO LTD·Filed 2019·Application pending·0 cites
- 2135US11451762B2Head-mounted viewable device and eye-tracking system for use in head-mounted viewable deviceYUYAO SUNNY OPTICAL INTELLIGENCE TECH CO LTD·Filed 2019·Granted Sep 20, 2022·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →