Inventor · Yokohama, JP

Hiroaki Hyuga

32Patents
10h-index
11Co-inventors
72Inventor score

Filing activity: Oct 18, 1991 → Oct 29, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US5446750A Laser diode pumped solid laser Electricity 31 Expired
US5187714A Laser-diode-pumped solid-state laser Emerging Cross-Sectional Technologies 23 Expired
US5436757A Optical wavelength converting apparatus Physics 19 Expired
US5315433A Optical wavelength converting apparatus Physics 16 Expired
US5243611A Optical wavelength converting apparatus Electricity 14 Expired
US5657341A Single longitudinal mode laser Electricity 13 Expired
US5432807A Optical wavelength converting apparatus Physics 13 Expired
US5588014A Optical wavelength converting apparatus Physics 13 Expired
US5652757A Optical wavelength converting apparatus Physics 12 Expired
US5506860A Etalon and single-longitudinal-mode laser using the same Electricity 12 Expired
US5502738A Polarization control element and solid-state laser system Electricity 9 Expired
US6047014A Solid state laser and method of manufacturing the same Electricity 8 Expired
US5497388A Laser diode pumped solid laser Electricity 8 Expired
US6707838B2 Stray light cutting structure for optical device Electricity 8 Expired
US5341393A Laser-diode-pumped solid-state laser Electricity 7 Expired
US7199769B2 Exposure apparatus Physics 6 Expired
US5696781A Wavelength-conversion laser having nonlinear optical crystal which effects type-I phase-matching Electricity 6 Expired
US5333145A Solid laser Electricity 6 Expired
US6584129B2 Single-longitudinal-mode solid laser Electricity 5 Expired
US6028869A Polarization control element and solid state laser Electricity 5 Expired
US8376950B2 Ultrasonic endoscope and ultrasonic endoscopic apparatus Human Necessities 4 Active
US9277619B2 Light emitting layer-forming solid material, organic electroluminescent device and method for producing the same Emerging Cross-Sectional Technologies 4 Active
US5974062A Laser drive method, laser drive system, and radiation image read-out apparatus Electricity 3 Expired
US6049555A Laser-diode-pumped solid state laser Electricity 3 Expired
US5933439A Etalon and single longitudinal mode laser Electricity 2 Expired

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