Inventor · Kasai, JP

Masashi Harada

25Patents
6h-index
39Co-inventors
69Inventor score

Filing activity: Jan 14, 1981 → Jan 27, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6783875B2 Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members Emerging Cross-Sectional Technologies 429 Expired
US5238656A Treatment equipment of exhaust gas containing organic halogen compounds Performing Operations; Transporting 23 Expired
US5271914A Process for adsorbing the vapor of alcoholic fuels Mechanical Engineering; Lighting; Heating 14 Expired
US4861571A Process for preparation of synthetic mordenite molded body Chemistry; Metallurgy 13 Expired
US4381360A 1,3-Dicarbonyl compounds and polyvinyl halide resin compositions containing the same Chemistry; Metallurgy 9 Expired
US5324929A Device for detecting position and intensity of light and position detecting element to be employed therein Emerging Cross-Sectional Technologies 7 Expired
US8668771B2 Cellulose resin composition and cellulose resin film Chemistry; Metallurgy 6 Active
US4371651A Stabilizer compositions and polyvinyl halide resin compositions containing 1,3-dicarbonyl compounds Chemistry; Metallurgy 6 Expired
US8597421B2 Cellulose resin composition and cellulose resin film Chemistry; Metallurgy 6 Active
US4925613A Process for preparation of synthetic faujasite molded body Chemistry; Metallurgy 5 Expired
USD980296S1 Cutting tool General 3 Active
US4615912A Providing hydrophobic surfaces on hydrophilic inorganic materials with metal glycolates Chemistry; Metallurgy 2 Expired
US5256385A Adsorbent and cleaning method of waste gas containing ketonic organic solvents Performing Operations; Transporting 1 Expired
USD949085S1 Rotor for multicopters General 1 Active
US9804314B2 Stretched optical compensation film Physics 0 Active
US9334392B2 Cellulose resin composition Chemistry; Metallurgy 0 Active
US8911541B2 Aqueous floor polishing composition Emerging Cross-Sectional Technologies 0 Active
US9417360B2 Stretched optical compensation film Physics 0 Active
US11913470B2 Ducted fan, multicopter, vertical take-off and landing aircraft, CPU-cooling fan, and radiator-cooling fan Performing Operations; Transporting 0 Active
USD1014585S1 Cutting tool General 0 Active
US11794259B2 Rotary cutting tool Performing Operations; Transporting 0 Active
US11327060B2 Method for analyzing enantiomer Chemistry; Metallurgy 0 Active
US8372907B2 Stabilizer for chlorine-containing resins and chlorine-containing resin composition Chemistry; Metallurgy 0 Active
USD1002692S1 Cutting tool General 0 Active
US10760646B2 V-ribbed belt and method for producing same Emerging Cross-Sectional Technologies 0 Active

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