Inventor · Akron, OH, US

Frank W. Harris

64Patents
9h-index
54Co-inventors
81Inventor score

Filing activity: Dec 18, 1975 → Jun 28, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5344916A Negative birefringent polyimide films Emerging Cross-Sectional Technologies 102 Expired
US5580950A Negative birefringent rigid rod polymer films Emerging Cross-Sectional Technologies 64 Expired
US5480964A Negative birefringent polyimide films Emerging Cross-Sectional Technologies 56 Expired
US6021524A Cut resistant polymeric films Emerging Cross-Sectional Technologies 52 Expired
US6573313B2 Amphiphilic core-shell latexes Chemistry; Metallurgy 44 Expired
US5071997A Polyimides comprising substituted benzidines Emerging Cross-Sectional Technologies 44 Expired
US7058249B2 Waveplate and optical circuit formed using mesogen-containing polymer Physics 15 Expired
US5397847A Heat-resistant laminate materials and preparation thereof Electricity 13 Expired
US8497342B2 Liquid crystal block copolymer and methods of making and using the same Chemistry; Metallurgy 12 Active
US4054432A Polymer lined capillary column and method for producing same Performing Operations; Transporting 9 Expired
US5360671A Thermoplastic polymides and composites therefrom Emerging Cross-Sectional Technologies 9 Expired
US5491200A Polycaprolactam molecular composites Chemistry; Metallurgy 9 Expired
US5395918A Organo-soluble polyimides from substituted dianhydrides Chemistry; Metallurgy 9 Expired
US5328979A Thermoplastic copolyimides and composites therefrom Emerging Cross-Sectional Technologies 8 Expired
US5175242A Phenylated polyimides prepared from 3,6-diarylpyromellitic dianhydride and aromatic diamines Chemistry; Metallurgy 7 Expired
US5378420A Process for preparing aromatic polyimide fibers Textiles; Paper 6 Expired
US8802238B2 Optical compensation films based on fluoropolymers Emerging Cross-Sectional Technologies 6 Active
US5030704A Self polymerizable phenylquinoxalines, their preparation and use in polyphenylquinoxaline homopolymers and copolymers Chemistry; Metallurgy 5 Expired
US6870978B2 Waveplate and optical circuit formed from mesogen-containing polymer Physics 5 Expired
US9096719B2 Optical compensation films with mesogen groups for liquid crystal display Physics 4 Active
US8889043B2 Optical films cast from styrenic fluoropolymer solutions Physics 4 Active
US8304079B2 Optical compensation films with birefringence enhancing substituents for liquid crystal display Emerging Cross-Sectional Technologies 3 Active
US8821994B2 Liquid crystal display having improved wavelength dispersion characteristics Physics 3 Active
US9234987B2 Wide-view multilayer optical films Physics 3 Active
USRE43172E1 Cut resistant polymeric films General 3 Expired

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