Inventor

Kunihiko Wada

27Patents
11h-index
68Co-inventors
78Inventor score

Filing activity: Apr 8, 1976 → Jan 17, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6194083A Ceramic composite material and its manufacturing method, and heat resistant member using thereof Emerging Cross-Sectional Technologies 56 Expired
US4371403A Method of providing gettering sites through electrode windows Electricity 49 Expired
US5955182A Heat resisting member and its production method Emerging Cross-Sectional Technologies 38 Expired
US5194395A Method of producing a substrate having semiconductor-on-insulator structure with gettering sites Emerging Cross-Sectional Technologies 36 Expired
US5579534A Heat-resistant member Emerging Cross-Sectional Technologies 25 Expired
US6398503B1 High temperature component, gas turbine high temperature component and manufacturing method thereof Mechanical Engineering; Lighting; Heating 21 Expired
US5063113A Substrate having semiconductor-on-insulator structure with gettering sites and production method thereof Emerging Cross-Sectional Technologies 15 Expired
US6071627A Heat-resistant member and a method for evaluating quality of a heat-resistant member Emerging Cross-Sectional Technologies 14 Expired
US6116016A Gas turbine apparatus using fuel containing vanadium Mechanical Engineering; Lighting; Heating 14 Expired
US4031608A Process for producing semiconductor memory device utilizing selective diffusion of the polycrystalline silicon electrodes Electricity 12 Expired
US4803884A Method for measuring lattice defects in semiconductor Physics 12 Expired
US4782466A Programmable semiconductor read only memory device Electricity 8 Expired
US4062037A Semiconductor memory device Electricity 7 Expired
US6967065B1 Separator of proton exchange fuel cell and its manufacturing method Emerging Cross-Sectional Technologies 7 Expired
US4461072A Method for preparing an insulated gate field effect transistor Emerging Cross-Sectional Technologies 5 Expired
US4080425A Elimination of nitrogen oxides from exhaust gases with nitriles Performing Operations; Transporting 5 Expired
US8727705B2 Steam turbine, method of cooling steam turbine, and heat insulating method for steam turbine Mechanical Engineering; Lighting; Heating 4 Active
US4060796A Semiconductor memory device Electricity 4 Expired
US8393861B2 Steam device Mechanical Engineering; Lighting; Heating 3 Active
US9045993B2 Steam turbine Mechanical Engineering; Lighting; Heating 2 Active
US8674537B2 Wind power generation system and control method for the same Emerging Cross-Sectional Technologies 2 Active
US9598969B2 Turbine, manufacturing method thereof, and power generating system Emerging Cross-Sectional Technologies 2 Active
US4454525A IGFET Having crystal orientation near (944) to minimize white ribbon Emerging Cross-Sectional Technologies 1 Expired
US9297260B2 Airflow control device and airflow control method Emerging Cross-Sectional Technologies 1 Active
US8890347B2 Wind power generation system and control method for the same Emerging Cross-Sectional Technologies 1 Active

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