Inventor · disambiguated record
Changbao Ma
Also filed as: MA CHANGBAO
17 granted patents·7 pending applications·52 citations·filing 2008–2024
89Inventor score
Files with3M INNOVATIVE PROPERTIES COMPANY133M INNOVATIVE PROPERTIES CO6CALIENT TECHNOLOGIES INC2MA CHANGBAO1SEAGATE TECHNOLOGY LLC1
Top patents by PatentIndex Score
24 records- 0194US11592622B2Light coupling element and assembly3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Granted Feb 28, 2023·2 cites·20 claims
- 0292US9151891B2Metamaterial-based optical lensesMA CHANGBAO·Filed 2011·Granted Oct 6, 2015·37 cites·19 claims
- 0388US11402586B2Light coupling element and assembly3M INNOVATIVE PROPERTIES CO·Filed 2019·Granted Aug 2, 2022·4 cites·15 claims
- 0486US10989881B2Optical connectors for light-turning ferrules3M INNOVATIVE PROPERTIES CO·Filed 2020·Granted Apr 27, 2021·2 cites·14 claims
- 0579US11237340B2Optical connectors and optical ferrules3M INNOVATIVE PROPERTIES CO·Filed 2020·Granted Feb 1, 2022·1 cites·10 claims
- 0678US11906786B2Light coupling element and assembly3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Granted Feb 20, 2024·0 cites·3 claims
- 0778US2025116824A1Expanded beam optical ferrules3M INNOVATIVE PROPERTIES COMPANY·Filed 2024·Application pending·0 cites
- 0877US11307362B2Optical ferrules with waveguide inaccessible space3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted Apr 19, 2022·2 cites·18 claims
- 0969US11880072B2Optical ferrules with waveguide inaccessible space3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Granted Jan 23, 2024·0 cites·12 claims
- 1067US8768124B2Direct coupling of optical slot waveguide to another optical waveguideVAN KEUREN EDWARD R·Filed 2010·Granted Jul 1, 2014·4 cites·28 claims
- 1166US2022113476A1Optical connectors and optical ferrules3M INNOVATIVE PROPERTIES CO·Filed 2021·Application pending·0 cites
- 1265US12210194B2Expanded beam optical ferrules3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Jan 28, 2025·0 cites·9 claims
- 1357US11914196B2Optical ferrule assemblies3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Granted Feb 27, 2024·0 cites·10 claims
- 1453US12124089B2Optical connector assembly3M INNOVATIVE PROPERTIES COMPANY·Filed 2020·Granted Oct 22, 2024·0 cites·10 claims
- 1553US11977261B2Optical connector assembly3M INNOVATIVE PROPERTIES COMPANY·Filed 2020·Granted May 7, 2024·0 cites·7 claims
- 1653US9063288B2Optical circuit switch with integral circulatorsCALIENT TECHNOLOGIES INC·Filed 2013·Granted Jun 23, 2015·0 cites·10 claims
- 1752US2010119194A1Optical Waveguide With ReflectorSEAGATE TECHNOLOGY LLC·Filed 2008·Application pending·0 cites
- 1851US9366824B2Optical circuit switch with integral circulatorsCALIENT TECHNOLOGIES INC·Filed 2015·Granted Jun 14, 2016·0 cites·6 claims
- 1951US2023367083A1Optical Ferrule Assembly and Optical Adhesive Formulation3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 2050US2024085638A1Optical connector and optical interconnect assembly3M INNOVATIVE PROPERTIES COMPANY·Filed 2022·Application pending·0 cites
- 2148US11906793B2Optical connector assembly3M INNOVATIVE PROPERTIES COMPANY·Filed 2019·Granted Feb 20, 2024·0 cites·15 claims
- 2244US12038617B2Optical transceiver module3M INNOVATIVE PROPERTIES COMPANY·Filed 2019·Granted Jul 16, 2024·0 cites·14 claims
- 2343US2023258894A1Asymmetric interconnection of connectors3M INNOVATIVE PROPERTIES COMPANY·Filed 2021·Application pending·0 cites
- 2443US2020355873A1Optical connector and optical connector assembly3M INNOVATIVE PROPERTIES CO·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →