Inventor · Canton, MA, US

Yan-Fei Shen

21Patents
14h-index
23Co-inventors
81Inventor score

Filing activity: Apr 2, 1993 → Sep 17, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6042816A Enhanced antiperspirant salts stabilized with calcium and concentrated aqueous solutions of such salts Human Necessities 48 Expired
US5340562A Hydrothermal synthesis of octahedral molecular sieve Chemistry; Metallurgy 39 Expired
US6245325A Enhanced antiperspirant salts stabilized with calcium and concentrated aqueous solutions of such salts Human Necessities 37 Expired
US6436381B1 Aluminum-zirconium antiperspirant salts with high peak 5 al content Emerging Cross-Sectional Technologies 32 Expired
US6010688A Polyhydric alcohol stabilized antiperspirant salt solutions Chemistry; Metallurgy 31 Expired
US6074632A Polyhydric alcohol stabilized antiperspirant salt solutions Chemistry; Metallurgy 27 Expired
US6726901B2 Stabilized antiperspirant compositions containing aluminum-zirconium salts with low M:Cl ratio Human Necessities 27 Expired
US6942850B2 Aqueous alcoholic antiperspirant composition containing calcium enhanced antiperspirant salt Human Necessities 21 Expired
US5702674A Framework metal-substituted manganese oxide octahedral molecular sieve and process for its preparation Chemistry; Metallurgy 20 Expired
US5695618A Oxidative coupling of methane on octahedral molecular sieve Emerging Cross-Sectional Technologies 17 Expired
US5523509A Manganese oxide octahedral molecular sieve as acid-base catalyst Chemistry; Metallurgy 17 Expired
US5635155A Hydrothermal synthesis of octahedral molecular sieve Chemistry; Metallurgy 15 Expired
US6663854B1 Aluminum-zirconium antiperspirant salts made with zirconium salts having low Zr:Cl ratio Chemistry; Metallurgy 15 Expired
US6649152B2 Aluminum-zirconium antiperspirant salts with high peak 5 Al content Emerging Cross-Sectional Technologies 14 Expired
US6923952B2 Enhanced efficacy antiperspirant compositions containing strontium or calcium Human Necessities 11 Expired
US6911195B2 Gel antiperspirant composition containing volatile linear silicone and calcium enhanced antiperspirant salt Human Necessities 11 Expired
US6902723B2 Enhanced efficacy antiperspirant compositions containing strontium Human Necessities 9 Expired
US6991780B2 Aluminum-zirconium antiperspirant salts with low M:CI ratio Emerging Cross-Sectional Technologies 3 Expired
US7157077B2 Enhanced efficacy antiperspirant compositions containing strontium Human Necessities 2 Expired
USPP31241P2 Nelumbo plant named ‘Cenghong Dingcui’ General 0 Active
US9212192B2 Bicyclic carboxamide inhibitors of kinases Chemistry; Metallurgy 0 Active

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