Inventor
DOUGAKIUCHI TATSUO
JP29 patents
⚠️ This page may combine multiple inventors who share the name “DOUGAKIUCHI TATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HAMAMATSU PHOTONICS KK
25 patentsUS10008829B2Jun 26, 2018
Quantum cascade laser
HAMAMATSU PHOTONICS KK9 citations84
US12078813B2Sep 3, 2024
Light source module
HAMAMATSU PHOTONICS KK4 citations73
US10014662B2Jul 3, 2018
Quantum cascade laser
HAMAMATSU PHOTONICS KK2 citations73
US9912119B2Mar 6, 2018
Quantum cascade laser
HAMAMATSU PHOTONICS KK3 citations73
USD960008SAug 9, 2022
Fluid analyzer
HAMAMATSU PHOTONICS KK2 citations72
USD960007SAug 9, 2022
Fluid analyzer
HAMAMATSU PHOTONICS KK2 citations72
USD960006SAug 9, 2022
Fluid analyzer
HAMAMATSU PHOTONICS KK2 citations72
USD899279SOct 20, 2020
Fluid analyzer
HAMAMATSU PHOTONICS KK1 citations72
USD899284SOct 20, 2020
Fluid analyzer
HAMAMATSU PHOTONICS KK1 citations72
USD1082064SJul 1, 2025
Light source module
HAMAMATSU PHOTONICS KK0 citations62
USD960009SAug 9, 2022
Fluid analyzer
HAMAMATSU PHOTONICS KK0 citations62
US11075315B2Jul 27, 2021
Optical semiconductor element and method of manufacturing optical semiconductor element
HAMAMATSU PHOTONICS KK1 citations62
US11067728B2Jul 20, 2021
Movable diffraction grating, external-resonator laser module, and manufacturing method for movable diffraction grating
HAMAMATSU PHOTONICS KK0 citations62
US10574030B2Feb 25, 2020
External resonance type laser module, analysis apparatus, method of driving external resonance type laser module, and non-transitory computer readable medium
HAMAMATSU PHOTONICS KK1 citations62
US10439363B2Oct 8, 2019
Method of manufacturing quantum cascade laser beam source
HAMAMATSU PHOTONICS KK1 citations62
US9276144B2Mar 1, 2016
Quantum cascade detector
HAMAMATSU PHOTONICS KK1 citations52
US12584792B2Mar 24, 2026
Light measuring device and method of manufacturing light measuring device
HAMAMATSU PHOTONICS KK0 citations51
US12542414B2Feb 3, 2026
Optical kit and optical device
HAMAMATSU PHOTONICS KK0 citations51
US12520615B2Jan 6, 2026
Light detection module and beat spectrometer
HAMAMATSU PHOTONICS KK0 citations51
US12176681B2Dec 24, 2024
Optical kit and optical device
HAMAMATSU PHOTONICS KK0 citations51
USD892656SAug 11, 2020
Fluid analyzer
HAMAMATSU PHOTONICS KK0 citations51
USD892657SAug 11, 2020
Fluid analyzer
HAMAMATSU PHOTONICS KK0 citations51
US9909980B2Mar 6, 2018
Fluid analyzer and method of manufacturing fluid analyzer
HAMAMATSU PHOTONICS KK0 citations42
US10591413B2Mar 17, 2020
Fluid analyzer
HAMAMATSU PHOTONICS KK0 citations41
US9929292B2Mar 27, 2018
Quantum cascade detector
HAMAMATSU PHOTONICS KK0 citations41