Inventor · Sayama, JP

Kentaro Tomioka

57Patents
21h-index
54Co-inventors
91Inventor score

Filing activity: Jan 16, 1979 → Sep 30, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5063257A Dental glass ionomer cement compositions Emerging Cross-Sectional Technologies 140 Expired
US6833992B2 Electronic apparatus having a plurality of radiators in which liquid coolant flows Physics 74 Expired
US5581443A Structure for cooling a circuit module having a circuit board and a heat-generating IC chip mounted on the board, and portable electronic apparatus incorporating the structure Electricity 61 Expired
US7511956B2 Electronic apparatus Physics 55 Active
US4775592A Fluoroaluminosilicate glass powder for dental glass ionomer cement Emerging Cross-Sectional Technologies 47 Expired
US4235633A Dental compositions Human Necessities 43 Expired
US4678436A Color-changeable cement composition for dental use Human Necessities 38 Expired
US6407921B1 Cooling unit for cooling a heat-generating component in an electronic apparatus Electricity 37 Expired
US7301771B2 Heat-receiving apparatus and electronic equipment Electricity 36 Expired
US4900697A Glass powders for dental glass ionomer cements Chemistry; Metallurgy 35 Expired
US6900990B2 Electronic apparatus provided with liquid cooling type cooling unit cooling heat generating component Electricity 34 Expired
US4273902A Dental silicone compositions and the method of using the same Chemistry; Metallurgy 33 Expired
US6442025B2 Cooling unit for cooling heat generating component and electronic apparatus having the cooling unit Physics 33 Expired
US6462952B1 Structure and method for constructing circuit module suitable for hand-held electronic equipment Electricity 30 Expired
US4342677A Fluorocomplex salt-containing liquid for setting dental cements Human Necessities 29 Expired
US6266243A Electronic apparatus with a fan unit, extension apparatus for extending the function of an electronic apparatus, and electronic apparatus system Physics 28 Expired
US4652593A Dental aluminate cement compositions Chemistry; Metallurgy 26 Expired
US6847524B2 Electronic apparatus having cooling unit for cooling heat-generating component Physics 25 Expired
US4647600A Dental cement compositions Human Necessities 24 Expired
US4374936A Liquid of acrylic copolymer and tetrahydrofurantetracarboxylic acid for setting dental cements Human Necessities 23 Expired
US4591384A Dental cement compositions Human Necessities 22 Expired
US7273089B2 Electronic apparatus having a heat-radiating unit for radiating heat of heat-generating components Electricity 18 Expired
US7142425B2 Liquid cooling system including a liquid absorption and a leak detection device Electricity 16 Expired
US7352581B2 Cooling device and electronic apparatus Electricity 16 Active
US7215546B2 Pump, electronic apparatus, and cooling system Electricity 16 Expired

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