Inventor · Ritto, JP

Hajime Kando

68Patents
9h-index
22Co-inventors
78Inventor score

Filing activity: Jun 22, 2001 → Oct 19, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8932686B2 Method for producing piezoelectric composite substrate Electricity 242 Active
US9748923B2 Elastic wave device and manufacturing method for same Emerging Cross-Sectional Technologies 232 Active
US7322093B2 Method for producing a boundary acoustic wave device Emerging Cross-Sectional Technologies 21 Active
US9431996B2 Elastic wave device and method for manufacturing the same Emerging Cross-Sectional Technologies 20 Active
US7310027B2 Boundary acoustic wave filter Electricity 15 Active
US7471027B2 Elastic boundary wave device Electricity 13 Expired
US7151424B2 Boundary acoustic wave device Electricity 12 Expired
US9276558B2 Surface acoustic wave device including a confinement layer Electricity 10 Active
US7486001B2 Boundary acoustic wave device Emerging Cross-Sectional Technologies 10 Expired
US7453184B2 Boundary acoustic wave device Electricity 9 Expired
US7315107B2 Surface acoustic wave device Electricity 7 Active
US7550898B2 Boundary acoustic wave device and process for producing same Emerging Cross-Sectional Technologies 7 Active
US7737603B2 Boundary acoustic wave device Electricity 7 Expired
US8973229B2 Method for manufacturing composite piezoelectric substrate Emerging Cross-Sectional Technologies 7 Active
US7456544B2 Boundary acoustic wave device Electricity 7 Active
US7355319B2 Boundary acoustic wave device Electricity 7 Expired
US7581306B2 Method for producing a boundary acoustic wave device Emerging Cross-Sectional Technologies 7 Active
US7132779B2 Surface acoustic wave device Electricity 6 Expired
US6940208B2 Surface acoustic wave device Electricity 6 Expired
US7522020B2 Boundary acoustic wave device and method for manufacturing boundary acoustic wave device Electricity 6 Active
US7323803B2 Boundary acoustic wave device Electricity 6 Active
US9484885B2 Method of manufacturing elastic wave device Emerging Cross-Sectional Technologies 6 Active
US7772742B2 Boundary acoustic wave device Electricity 5 Active
US9385301B2 Method for manufacturing composite piezoelectric substrate Emerging Cross-Sectional Technologies 5 Active
US8381386B2 Method of manufacturing a boundary acoustic wave device Emerging Cross-Sectional Technologies 4 Active

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