Inventor · Tianjin, CN

Li Yao

71Patents
17h-index
49Co-inventors
84Inventor score

Filing activity: Apr 7, 1981 → Dec 28, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6268405A Hydrogels and methods of making and using same Human Necessities 225 Expired
US6252032A UV absorbing polymer Emerging Cross-Sectional Technologies 186 Expired
US6808908B2 Functionalized porous substrate for binding chemical and biological moieties Emerging Cross-Sectional Technologies 172 Expired
US6385677B1 Dual interface memory card and adapter module for the same Physics 120 Expired
US6551608B2 Porous plastic media with antiviral or antimicrobial properties and processes for making the same Human Necessities 88 Expired
US6658516B2 Multi-interface memory card and adapter module for the same Emerging Cross-Sectional Technologies 66 Expired
US7040919B2 USB plug with two sides alternately connectable to a USB port Electricity 65 Expired
USD525977S1 Memory card General 57 Expired
US5653621A Toy building block puzzle Human Necessities 49 Expired
US7507469B2 Multi-layer coated porous materials and methods of making the same Emerging Cross-Sectional Technologies 35 Active
US6736678B2 Memory card interface adapter Electricity 32 Expired
US7094464B2 Multi-layer coated porous materials and methods of making the same Emerging Cross-Sectional Technologies 31 Expired
USD354949S Personal computer assembly General 28 Expired
US6050848A Adapter base for receiving a cartridge memory Emerging Cross-Sectional Technologies 25 Expired
US5601470A Toy building block puzzle Human Necessities 23 Expired
US6638610B1 Water and oil repellent porous materials and processes for making the same Emerging Cross-Sectional Technologies 22 Expired
US6014010A Charger compatible with different-sized rechargeable batteries of mobile telephones Electricity 17 Expired
USD530331S1 Memory card General 14 Expired
US7364468B2 Dual-interface converter of miniature memory card Physics 13 Active
US6017230A Seat for a cassette memory Electricity 12 Expired
US6710093B2 Immobilized ion exchange materials and processes for making the same Performing Operations; Transporting 11 Expired
USD915435S1 Mobile terminal with graphical user interface for car purchase General 9 Active
USD611945S1 Memory card General 8 Expired
USD406573S Media disk socket General 7 Expired
US8485050B2 Torque sensor assembly for a power-assisted bicycle Physics 6 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.