Inventor · Lancaster, MA, US

Daniel Lapen

20Patents
8h-index
21Co-inventors
75Inventor score

Filing activity: May 1, 1991 → Dec 21, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5256571A Cell preservative solution Emerging Cross-Sectional Technologies 68 Expired
US7803624B2 Automated cytological sample classification Emerging Cross-Sectional Technologies 24 Active
US6593102B2 Cytological stain composition Physics 20 Expired
US6318190A Systems for collecting fluid samples having select concentrations of particles Emerging Cross-Sectional Technologies 17 Expired
US6348325B1 Cytological stain composition Physics 17 Expired
US7186522B2 Papanicolau staining process Physics 13 Expired
US5168066A Thionin staining and imaging technique Emerging Cross-Sectional Technologies 9 Expired
US8445284B2 Fixative and staining solutions Emerging Cross-Sectional Technologies 8 Active
US5942700A Systems and methods for collecting fluid samples having select concentrations of particles Emerging Cross-Sectional Technologies 7 Expired
US8454908B2 Automated systems and methods for preparing biological specimens for examination Physics 6 Active
US9116087B2 Automated systems and methods for preparing biological specimens for examination Physics 3 Active
US9891147B2 Automated systems and methods for preparing biological specimens for examination Physics 3 Active
US6634244B2 Methods for collecting fluid samples having select concentrations of particles Emerging Cross-Sectional Technologies 3 Expired
US10175153B2 Automated systems and methods for preparing biological specimens for examination Physics 1 Active
US7906337B2 Method of generating and using biological qualification slides to qualify biological screening devices Physics 0 Active
US10775282B2 Automated systems and methods for preparing biological specimens for examination Physics 0 Active
US10656056B2 Fixative and staining solutions Emerging Cross-Sectional Technologies 0 Active
US10914657B2 Fixative and staining solutions Emerging Cross-Sectional Technologies 0 Active
US9677977B2 Fixative and staining solutions Emerging Cross-Sectional Technologies 0 Active
US12117381B2 Automated systems and methods for preparing biological specimens for examination Physics 0 Active

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