Inventor · Tsukuba, JP

Hideki Sugihara

15Patents
6h-index
54Co-inventors
69Inventor score

Filing activity: Nov 13, 1978 → Aug 20, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6278056A Metal complex useful as sensitizer, dye-sensitized oxide semiconductor electrode and solar cell using same Emerging Cross-Sectional Technologies 75 Expired
US7649025B2 Composite ion-exchange membrane Emerging Cross-Sectional Technologies 30 Expired
USD266321S Windshield for motorcycle General 25 Expired
US7531238B2 Laminated thermoplastic resin film and laminated thermoplastic resin film roll Emerging Cross-Sectional Technologies 15 Expired
US4292353A Urethane modified polyisocyanurate foam surfaced with aluminum foil or sheet Emerging Cross-Sectional Technologies 13 Expired
US6274806A Platinum complex for use as sensitizer for semiconductor electrode of solar cell Emerging Cross-Sectional Technologies 7 Expired
US6639073B2 Ruthenium complex useful as sensitizer, dye-sensitized oxide semiconductor electrode and solar cell using same Emerging Cross-Sectional Technologies 5 Expired
US6664462B2 Metal complex having &bgr;-diketonate, process for production thereof, photoelectric conversion element, and photochemical cell Emerging Cross-Sectional Technologies 4 Expired
US6288229A Ruthenium complex having di or tetrapyridophenazine ligand useful for use as luminescent material Chemistry; Metallurgy 3 Expired
US4404042A Method for color-painting on chromium-plated surface Performing Operations; Transporting 3 Expired
US4861455A Electrode membrane Physics 3 Expired
US5723650A Cyclohexane tricarboxylic acid derivative and method for the preparation thereof Chemistry; Metallurgy 1 Expired
US5599935A Bisquinolinol and bisbenzoquinolinol compounds, and process for producing same Chemistry; Metallurgy 1 Expired
US8794451B2 Hollow-fiber ultrafiltration membrane with excellent fouling resistance Emerging Cross-Sectional Technologies 0 Active
US6673445B2 Polybenzazole fibers and their utilization Emerging Cross-Sectional Technologies 0 Expired

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