Inventor · Hitachi, JP

Shigeo Hatamiya

42Patents
11h-index
52Co-inventors
78Inventor score

Filing activity: Feb 26, 1987 → Jul 27, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6477852B2 Heat and electric power supply system and operation method thereof Emerging Cross-Sectional Technologies 65 Expired
US6397578B2 Gas turbine power plant Mechanical Engineering; Lighting; Heating 54 Expired
US6637185B2 Gas turbine installation Mechanical Engineering; Lighting; Heating 44 Expired
US4822557A Emergency reactor core cooling structure Emerging Cross-Sectional Technologies 27 Expired
US6247302A Gas turbine power plant Mechanical Engineering; Lighting; Heating 24 Expired
US6389799B1 Gas turbine Installation Mechanical Engineering; Lighting; Heating 22 Expired
US5096659A Reactor containment vessel Emerging Cross-Sectional Technologies 21 Expired
US5272737A Nuclear reactor installation Emerging Cross-Sectional Technologies 20 Expired
US6578354B2 Gas turbine electric power generation equipment and air humidifier Emerging Cross-Sectional Technologies 15 Expired
US6644013B1 Gas turbine power generation equipment and air humidifying apparatus Emerging Cross-Sectional Technologies 13 Expired
US5211906A Reactor containment vessel Emerging Cross-Sectional Technologies 11 Expired
US6688106B2 Waste processing system and fuel reformer used in the waste processing system Emerging Cross-Sectional Technologies 10 Expired
US6973772B2 Gas turbine installation Mechanical Engineering; Lighting; Heating 10 Expired
US7669418B2 Heat energy supply system and method, and reconstruction method of the system Emerging Cross-Sectional Technologies 8 Active
US7146794B2 Gas turbine installation Mechanical Engineering; Lighting; Heating 7 Expired
US7861548B2 Heat pump system and heat pump operation method Emerging Cross-Sectional Technologies 6 Active
US7587887B2 Advanced humid air turbine power plant Mechanical Engineering; Lighting; Heating 6 Active
US7251926B2 Gas turbine installation Mechanical Engineering; Lighting; Heating 6 Expired
US6769266B2 Heat and electric power supply system and operation method thereof Emerging Cross-Sectional Technologies 6 Expired
US7908861B2 Heat energy supply system and method, and reconstruction method of the system Emerging Cross-Sectional Technologies 6 Active
US6718750B2 Gas turbine installation with regenerator and water injection Mechanical Engineering; Lighting; Heating 5 Expired
US7966840B2 Heat pump system and heat pump operation method Emerging Cross-Sectional Technologies 5 Active
US6014863A Waste processing system and fuel reformer used in the waste processing system Emerging Cross-Sectional Technologies 5 Expired
US7096659B1 Gas turbine electric power generation equipment and air humidifier Emerging Cross-Sectional Technologies 5 Expired
US6560957B2 Gas turbine installation Mechanical Engineering; Lighting; Heating 4 Expired

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