Inventor
TANAHASHI TOSHIYUKI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “TANAHASHI TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
7 patentsUS5202285AApr 13, 1993
Semiconductor laser having double heterostructure and method of producing same
FUJITSU LTD26 citations91
US5436194AJul 25, 1995
Stripe laser diode having an improved efficiency for current confinement
FUJITSU LTD17 citations81
US5336635AAug 9, 1994
Manufacturing method of semiconductor laser of patterned-substrate type
FUJITSU LTD19 citations81
US5375136ADec 20, 1994
Semiconductor laser of patterned-substrate type and structure thereof
FUJITSU LTD6 citations73
US4592791AJun 3, 1986
Liquid phase epitaxial growth method for producing a III-V group compound semiconductor
FUJITSU LTD7 citations73
US5621748AApr 15, 1997
Stripe laser diode having an improved efficiency for current confinement
FUJITSU LTD13 citations72
US5255281AOct 19, 1993
Semiconductor laser having double heterostructure
FUJITSU LTD12 citations72
SUMITOMO ELECTRIC INDUSTRIES
2 patentsUS9373939B2Jun 21, 2016
Method for manufacturing semiconductor device and the semiconductor device
SUMITOMO ELECTRIC INDUSTRIES2 citations62
US10594110B2Mar 17, 2020
Vertical cavity surface emitting laser, method for fabricating vertical cavity surface emitting laser
SUMITOMO ELECTRIC INDUSTRIES0 citations40