Inventor
ISHII HIROTATSU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “ISHII HIROTATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FURUKAWA ELECTRIC CO LTD
7 patentsUS9911842B2Mar 6, 2018
Nitride semiconductor device, production method thereof, diode, and field effect transistor
FURUKAWA ELECTRIC CO LTD8 citations80
US6898224B2May 24, 2005
Semiconductor laser device
FURUKAWA ELECTRIC CO LTD10 citations72
US12025843B2Jul 2, 2024
Optical processing structure of optical fiber
FURUKAWA ELECTRIC CO LTD0 citations56
US8619831B2Dec 31, 2013
Vertical cavity surface emitting laser element, vertical cavity surface emitting laser array element, vertical cavity surface emitting laser device, light source device, and optical module
FURUKAWA ELECTRIC CO LTD0 citations51
US9478944B2Oct 25, 2016
Semiconductor laser element and method of manufacturing semiconductor laser element
FURUKAWA ELECTRIC CO LTD0 citations50
US9960572B2May 1, 2018
Semiconductor device
FURUKAWA ELECTRIC CO LTD0 citations48
US10033154B2Jul 24, 2018
Semiconductor optical element, semiconductor laser element, and method for manufacturing semiconductor optical element and semiconductor laser element, and method for manufacturing semiconductor laser module and semiconductor element
FURUKAWA ELECTRIC CO LTD0 citations37