Inventor
GOTO KATSUHIKO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “GOTO KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
18 patentsUS5671242ASep 23, 1997
Strained quantum well structure
MITSUBISHI ELECTRIC CORP100 citations98
US5459747AOct 17, 1995
Semiconductor optical devices
MITSUBISHI ELECTRIC CORP53 citations96
US5909523AJun 1, 1999
Optical module and method of fabricating optical module
MITSUBISHI ELECTRIC CORP60 citations95
US6037189AMar 14, 2000
Integrated waveguide device and method of fabricating the integrated waveguide device
MITSUBISHI ELECTRIC CORP43 citations92
US5991322ANov 23, 1999
Semiconductor optical device
MITSUBISHI ELECTRIC CORP37 citations92
US5544188AAug 6, 1996
Semiconductor laser device having a high emission efficiency and a large modulation bandwidth
MITSUBISHI ELECTRIC CORP24 citations92
US5684823ANov 4, 1997
Method of fabricating a diffraction grating and a distributed feedback semiconductor laser incorporating the diffraction grating
MITSUBISHI ELECTRIC CORP16 citations82
US5157680AOct 20, 1992
Integrated semiconductor laser
MITSUBISHI ELECTRIC CORP20 citations82
US5621564AApr 15, 1997
Semiconductor optical modulator
MITSUBISHI ELECTRIC CORP19 citations80
US5518955AMay 21, 1996
Method of fabricating quantum wire
MITSUBISHI ELECTRIC CORP13 citations74
US5124279AJun 23, 1992
Integrated semiconductor laser producing light of different wavelengths at respective active regions
MITSUBISHI ELECTRIC CORP7 citations74
US5107514AApr 21, 1992
Semiconductor optical element
MITSUBISHI ELECTRIC CORP16 citations74
US4788161ANov 29, 1988
Method of producing an end surface light emission type semiconductor device
MITSUBISHI ELECTRIC CORP7 citations73
US5442649AAug 15, 1995
Semiconductor laser device
MITSUBISHI ELECTRIC CORP12 citations71
US4888781ADec 19, 1989
Semiconductor laser
MITSUBISHI ELECTRIC CORP6 citations71
US4847217AJul 11, 1989
Method for making a semiconductor device
MITSUBISHI ELECTRIC CORP3 citations62
US4809289AFeb 28, 1989
Semiconductor laser device
MITSUBISHI ELECTRIC CORP2 citations62
US4957879ASep 18, 1990
Method of making a semiconductor laser using superlattice disordering
MITSUBISHI ELECTRIC CORP4 citations60