Inventor · Nirasaki, JP

Michio Murata

20Patents
5h-index
20Co-inventors
69Inventor score

Filing activity: Jul 14, 1995 → Feb 7, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6067310A Semiconductor laser and method of making the same Electricity 57 Expired
US6147230A Amino acid dysiherbaine Human Necessities 47 Expired
US5995692A Light emitting device module Electricity 24 Expired
US5734671A Semiconductor laser diode Electricity 7 Expired
US5572356A Optical amplifier Electricity 6 Expired
US8300992B2 Optical modulator having Mach-Zender arrangement and method to generate modulated optical signal using the same Physics 4 Active
US8063408B2 Integrated semiconductor optical device and optical apparatus using the same Electricity 4 Active
US8003995B2 Semiconductor optical device with suppressed double injection phenomenon Electricity 2 Active
US7803645B2 Semiconductor light-emitting device and a method for manufacturing the same Electricity 2 Active
US7224875B2 Semiconductor optical device integrated with a photo detector Electricity 1 Expired
US9240675B2 Quantum cascade laser Electricity 1 Active
US8804785B2 Quantum cascade semiconductor laser Electricity 1 Active
US9246308B2 Quantum cascade laser Electricity 0 Active
US6995454B2 Semiconductor optical integrated device having a light emitting portion, a modulation section and a separation portion Electricity 0 Expired
US8243768B2 Semiconductor diffraction grating device and semiconductor laser Electricity 0 Active
US9128258B2 Optical assembly and method for producing the same Emerging Cross-Sectional Technologies 0 Active
US10114070B2 Substrate inspection apparatus Physics 0 Active
US7627009B2 Light-emitting device on n-type InP substrate heavily doped with sulfur Electricity 0 Active
US9678107B2 Substrate inspection apparatus Physics 0 Active
US10962565B2 Substrate inspection apparatus Physics 0 Active

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