Inventor · Tokyo, JP

Hiroyuki Sato

322Patents
25h-index
496Co-inventors
93Inventor score

Filing activity: May 1, 1981 → Jun 30, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9349620B2 Apparatus and method for pre-baking substrate upstream of process chamber Mechanical Engineering; Lighting; Heating 451 Active
US5899954A Current position calculating system having a function for correcting a distance factor Physics 123 Expired
US5941934A Current position calculating device Physics 123 Expired
US4996067A Feed additive for ruminants Emerging Cross-Sectional Technologies 76 Expired
US6553015B1 High speed switching of communications links without interrupting ATM cell traffic Electricity 66 Expired
US6178292A Core unit of heat exchanger having electric heater Mechanical Engineering; Lighting; Heating 64 Expired
US5227166A Feed additive for ruminants Emerging Cross-Sectional Technologies 54 Expired
US6212518A System and method for retrieval of data from related databases based upon database association model Emerging Cross-Sectional Technologies 50 Expired
US5500657A Air-bubble detection apparatus of ink jet recording head, and method and apparatus for restoring ink jet recording head Performing Operations; Transporting 48 Expired
US5840830A Process for producing poly(arylene sulfide) Chemistry; Metallurgy 46 Expired
US5478838A 4-amino(alkyl)cyclohexane-1-carboxamide compound and use thereof Chemistry; Metallurgy 41 Expired
US5513172A Frame relay apparatus and a relay method Emerging Cross-Sectional Technologies 41 Expired
US5404332A Apparatus for and a method of detecting a malfunction of a FIFO memory Physics 35 Expired
US6982811B2 Image processing apparatus and control method therefor Electricity 33 Expired
US4997834A Trans-4-amino(alkyl)-1-pyridylcarbamoylcyclohexane compounds and pharmaceutical use thereof Chemistry; Metallurgy 33 Expired
US5514499A Phase shifting mask comprising a multilayer structure and method of forming a pattern using the same Physics 32 Expired
US5851646A Prepreg, process for producing the same and printed circuit substrate/board using the same Emerging Cross-Sectional Technologies 32 Expired
US6108966A Device for catching flying insects Human Necessities 31 Expired
US6805977B2 Condensed eight-ring aromatic compound, and organic EL element and organic EL display using the same Emerging Cross-Sectional Technologies 31 Expired
US5839087A Current position calculating system for a vehicle having a function for correcting a vehicle direction Physics 29 Expired
US6719336B2 Door handle assembling construction Emerging Cross-Sectional Technologies 29 Expired
US6061627A Current position calculating system for correcting a distance factor for calculating a vehicle travelled distance Physics 29 Expired
US6448202B1 Withering-preventing and quick-acting nutrition supplementing agent for gramineous plants Human Necessities 28 Expired
US5906842A Diet for stabilizing high milk yield of dairy cow and feeding method for obtaining stable high milk yield Emerging Cross-Sectional Technologies 28 Expired
US6855958B2 Wavelength conversion element for car use Electricity 26 Expired

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