Inventor · Sharonville, OH, US

Zaiyou Liu

48Patents
13h-index
110Co-inventors
84Inventor score

Filing activity: Jan 30, 1991 → Jul 17, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6287550A Animal care system and litter with reduced malodor impression Human Necessities 128 Expired
US5135549A Chromatographic technique and apparatus Physics 82 Expired
US5196039A Apparatus and method of multi-dimensional chemical separation Physics 53 Expired
US7226607B2 Compositions comprising a dispersant and microcapsules containing an active material and a stabilizer Textiles; Paper 40 Expired
US8709337B2 Method for delivering a volatile material Human Necessities 38 Active
US7569528B2 Detergent compositions Chemistry; Metallurgy 30 Active
US7550416B2 Perfumed household products and methods for preserving perfume integrity and extending fragrance life Chemistry; Metallurgy 29 Active
US8349251B2 Methods, devices, compositions, and systems for improved scent delivery Performing Operations; Transporting 29 Active
US8357359B2 Malodor control composition having an acid catalyst and methods thereof Human Necessities 22 Active
US8119064B2 Methods, devices, compositions, and systems for improved scent delivery Performing Operations; Transporting 21 Active
US5205154A Apparatus and method for simultaneous supercritical fluid extraction and gas chromatography Physics 19 Expired
US8539631B2 Roller for providing benefits to fabric Emerging Cross-Sectional Technologies 14 Active
US9827342B2 Perfume mixtures comprising an olfactive index for activated air fresheners Human Necessities 13 Active
US8338346B2 Perfume compositions comprising functional perfume components Human Necessities 13 Active
US9737627B2 Energized air freshening apparatus comprising perfume mixtures having an olfactive index Human Necessities 12 Active
US6787510B2 Dryer-added fabric softening articles and methods Chemistry; Metallurgy 11 Expired
US8721962B2 Methods, devices, compositions and systems for improved scent delivery Performing Operations; Transporting 11 Active
US9993574B2 Method for delivering a volatile material Performing Operations; Transporting 10 Active
US8933131B2 Intermediates and surfactants useful in household cleaning and personal care compositions, and methods of making the same Chemistry; Metallurgy 10 Active
US8696982B2 Method for delivering a volatile material Performing Operations; Transporting 9 Active
US6986806B2 Air filtering device Performing Operations; Transporting 6 Expired
US9655792B2 Absorbent article comprising a malodor control composition having an acid catalyst Human Necessities 5 Active
US9226641B2 Hard surface cleaning composition having a malodor control component and methods of cleaning hard surfaces Chemistry; Metallurgy 4 Active
US9468697B2 Method for delivering a volatile material Performing Operations; Transporting 4 Active
US8629092B2 Hard surface cleaning composition having a malodor control component and methods of cleaning hard surfaces Chemistry; Metallurgy 4 Active

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