Inventor
HUANG YIDONG
JP14 patents
⚠️ This page may combine multiple inventors who share the name “HUANG YIDONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
7 patentsUS6330268B1Dec 11, 2001
Distributed feedback semiconductor laser
NEC CORP20 citations91
US6026107AFeb 15, 2000
Semiconductor optical functional device and method of driving the same
NEC CORP42 citations91
US6018541AJan 25, 2000
DFB laser waveguide having periodic distribution of gains and absorptions of energy
NEC CORP16 citations82
US5991481ANov 23, 1999
Optical isolator
NEC CORP6 citations72
US6825505B2Nov 30, 2004
Phase-shifted distributed feedback type semiconductor laser diode capable of improving wavelength chirping and external reflection return light characteristics
NEC CORP4 citations61
US6574261B2Jun 3, 2003
Distributed feedback semiconductor laser
NEC CORP5 citations61
US6226427B1May 1, 2001
Optical isolator
NEC CORP3 citations61
UNIV TSINGHUA
6 patentsUS11489596B2Nov 1, 2022
Image collection chip, object imaging recognition device and object imaging recognition method
UNIV TSINGHUA2 citations70
US11881896B2Jan 23, 2024
Image collection chip, object imaging recognition device and object imaging recognition method
UNIV TSINGHUA0 citations60
US12414393B2Sep 9, 2025
Micro spectrum chip based on units of different shapes
UNIV TSINGHUA0 citations50
US12346799B2Jul 1, 2025
Optical artificial neural network intelligent chip, preparation method thereof and intelligent processing apparatus
UNIV TSINGHUA0 citations50
US11759129B2Sep 19, 2023
Noninvasive glucometer and blood glucose detection method
UNIV TSINGHUA0 citations49
US12149041B2Nov 19, 2024
Terahertz radiator based on coherent SPR amplified by stimulation
UNIV TSINGHUA0 citations48