Inventor · Manaus, BR

Hirofumi Yasuda

22Patents
10h-index
35Co-inventors
75Inventor score

Filing activity: Dec 18, 1975 → Mar 20, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US8080494B2 Catalyst, exhaust gas purifying catalyst, and method of producing the catalyst Emerging Cross-Sectional Technologies 80 Active
US7674744B2 Catalyst powder, method of producing the catalyst powder, and exhaust gas purifying catalyst Performing Operations; Transporting 70 Active
US8404611B2 Exhaust gas purifying catalyst and production method thereof Emerging Cross-Sectional Technologies 37 Active
US4839443A Polysiloxane containing hydroxyl groups and a silicone-modified polyurethane using the same Chemistry; Metallurgy 36 Expired
US7601670B2 Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder Emerging Cross-Sectional Technologies 25 Expired
US6232376A Moisture curable polyolefin compositions Emerging Cross-Sectional Technologies 24 Expired
US7713911B2 Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder Performing Operations; Transporting 19 Active
US7605108B2 Catalyst, exhaust gas purification catalyst, and method for manufacturing same Performing Operations; Transporting 17 Expired
US5612557A Semiconductor device having an inter-layer insulating film disposed between two wiring layers Electricity 17 Expired
US7585811B2 Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder Emerging Cross-Sectional Technologies 16 Expired
US4106278A Electronic timepiece utilizing semiconductor-insulating substrate integrated circuitry Physics 5 Expired
US7833930B2 Exhaust gas purifying catalyst and production method thereof Emerging Cross-Sectional Technologies 5 Active
US5260899A Sense amplifier for semiconductor memory device Physics 4 Expired
US4931996A Semiconductor memory device Electricity 3 Expired
US5101380A Semiconductor memory device Electricity 2 Expired
US5191402A Semiconductor device having an inter-layer insulating film disposed between two wiring layers Electricity 2 Expired
US10109884B2 Non-aqueous electrolyte secondary battery Emerging Cross-Sectional Technologies 1 Active
US8101539B2 Purifying catalyst Emerging Cross-Sectional Technologies 1 Active
US5345420A Semiconductor memory device Electricity 1 Expired
US9073044B2 Exhaust gas purifying catalyst and production method thereof Emerging Cross-Sectional Technologies 0 Active
US9160033B2 Non-aqueous electrolyte composition and non-aqueous electrolyte secondary battery Emerging Cross-Sectional Technologies 0 Active
US7737076B2 Catalyst and producing method thereof Emerging Cross-Sectional Technologies 0 Active

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