Inventor · disambiguated record
Dongjian Song
Also filed as: SONG DONGJIAN
8 granted patents·6 pending applications·10 citations·filing 2009–2025
77Inventor score
Files withDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD11QIN JIFENG2DONGGUAN LITTELFUSE ELECTRONICS CO LTD1
Top patents by PatentIndex Score
14 records- 0188US11107612B2Overheat protection device and varistorDONGGUAN LITTELFUSE ELECTRONICS CO LTD·Filed 2020·Granted Aug 31, 2021·2 cites·10 claims
- 0281US11348710B1Surface mount metal oxide varistor deviceDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2021·Granted May 31, 2022·1 cites·18 claims
- 0375US9496112B2Electric deviceQIN JIFENG·Filed 2012·Granted Nov 15, 2016·6 cites·13 claims
- 0475US2024246102A1Height-adjustable masking pallet assembly for arc spray applicationsDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2024·Application pending·0 cites
- 0572US11998937B2Height-adjustable masking pallet assembly for arc spray applicationsDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2022·Granted Jun 4, 2024·0 cites·7 claims
- 0672US2025364161A1High soldering strength terminal for surge protection deviceDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2025·Application pending·0 cites
- 0769US12412685B2High soldering strength terminal for surge protection deviceDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2023·Granted Sep 9, 2025·0 cites·9 claims
- 0866US11410801B2Thermally protected metal oxide varistorDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2018·Granted Aug 9, 2022·1 cites·18 claims
- 0958US2024112836A1Isolation enhanced thermally protected metal oxide varistorDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2023·Application pending·0 cites
- 1057US2024127990A1Thermally protected metal oxide varistorDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2023·Application pending·0 cites
- 1155US2022305522A1Masking paper protection technology for electronic componentDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2022·Application pending·0 cites
- 1253US12131849B2Fast activation thermal fuse for short circuit current protectionDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2020·Granted Oct 29, 2024·0 cites·20 claims
- 1345US2024249862A1A remote monitoring and indicating device for thermally protected metal oxide varistorDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2022·Application pending·0 cites
- 1441US8274356B2Voltage dependent resistor with overheated protection structureQIN JIFENG·Filed 2009·Granted Sep 25, 2012·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →