Inventor · Ama, JP

Takashi Yoshino

94Patents
11h-index
87Co-inventors
81Inventor score

Filing activity: Jul 10, 1981 → Apr 22, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6257224A Process for working a preform made of an oxide single crystal, and a process for producing functional devices Emerging Cross-Sectional Technologies 102 Expired
US4389438A Process for preparing laminates Emerging Cross-Sectional Technologies 57 Expired
US6631231B2 Optical waveguide elements, optical wavelength conversion elements, and process for producing optical waveguide elements Physics 36 Expired
US4958836A Golf simulator Human Necessities 32 Expired
US6219469A Optical waveguide devices, traveling-wave light modulators, and process for producing optical waveguide devices Physics 25 Expired
US5416869A Semiconductor laser/optical fiber coupling device Physics 21 Expired
US5924290A Optoelectronic element module Electricity 20 Expired
US7446696B2 Radio oscillating and radar systems Electricity 20 Active
US5943465A Optical waveguide element, optical element, method for producing optical waveguide element and method for producing periodic domain-inverted structure Physics 20 Expired
US8115365B2 Surface acoustic wave devices Electricity 15 Active
US6124018A Masking film roll for use in painting, method for producing it, and tubular film roll from which it is produced Emerging Cross-Sectional Technologies 12 Expired
US5504349A Optoelectronic device Electricity 10 Expired
US7236674B2 Optical waveguide device, coherent light source using the same and optical apparatus having the same Electricity 10 Expired
US5866200A Process for producing optical waveguide-provided substrate Physics 9 Expired
US8288918B2 Composite substrate and manufacturing method thereof Emerging Cross-Sectional Technologies 9 Active
US5741389A Masking film roll for use in painting, method for producing it, and tubular film from which it is produced Emerging Cross-Sectional Technologies 9 Expired
US5737117A Second harmonic generation element and a process for producing the same Physics 8 Expired
US7854049B2 Method of manufacturing a piezoelectric thin film device Emerging Cross-Sectional Technologies 8 Active
US6640032B2 Bonding structures for optical members Electricity 8 Expired
US7911111B2 Surface acoustic wave devices Electricity 8 Active
US8585847B2 Composite substrate and manufacturing method thereof Emerging Cross-Sectional Technologies 7 Active
US7372621B2 Wavelength converting devices Physics 7 Active
US6447606B2 Method for producing a single-crystalline film of KLN or KLNT Emerging Cross-Sectional Technologies 6 Expired
US7373065B2 Optical waveguide substrate and harmonics generating device Physics 6 Active
US6111682A Light modulators Physics 5 Expired

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