Inventor
HIGASHI TOSHIO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “HIGASHI TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
4 patentsUS5937120AAug 10, 1999
Optical device
FUJITSU LTD51 citations91
US5347533ASep 13, 1994
Optical semiconductor device, method of producing the optical semiconductor device, and laser device using optical semiconductor devices
FUJITSU LTD25 citations91
US5952673ASep 14, 1999
Optical semiconductor device including a multiple quantum well structure of an AlGaInAs/InP system
FUJITSU LTD13 citations73
US6876683B2Apr 5, 2005
Optical semiconductor device
FUJITSU LTD6 citations62
MARUO CALCIUM
2 patentsEUDYNA DEVICES INC
2 patentsUS7978737B2Jul 12, 2011
Laser device, control device of laser device, method of controlling laser device, method of tuning wavelength of laser device and control data of laser device
EUDYNA DEVICES INC3 citations60
US7701984B2Apr 20, 2010
Laser module and method of controlling wavelength of external cavity laser
EUDYNA DEVICES INC1 citations50