Inventor
MASUYAMA RYUJI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “MASUYAMA RYUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
11 patentsUS9696496B2Jul 4, 2017
Semiconductor optical device and semiconductor assembly
SUMITOMO ELECTRIC INDUSTRIES3 citations72
US9563100B2Feb 7, 2017
Optical semiconductor device and method of producing the same
SUMITOMO ELECTRIC INDUSTRIES2 citations72
US9366835B2Jun 14, 2016
Integrated optical semiconductor device and integrated optical semiconductor device assembly
SUMITOMO ELECTRIC INDUSTRIES5 citations72
US9103976B2Aug 11, 2015
Method for manufacturing waveguide-type semiconductor device
SUMITOMO ELECTRIC INDUSTRIES2 citations61
US9023677B2May 5, 2015
Method for producing spot size converter
SUMITOMO ELECTRIC INDUSTRIES2 citations61
US8969989B2Mar 3, 2015
Optical-to-electrical converter unit and semiconductor light-receiving device
SUMITOMO ELECTRIC INDUSTRIES2 citations61
US9893100B2Feb 13, 2018
Semiconductor optical device integrating photodiode with optical waveguide and method of forming the same
SUMITOMO ELECTRIC INDUSTRIES1 citations51
US8900903B2Dec 2, 2014
Method for producing optical semiconductor device
SUMITOMO ELECTRIC INDUSTRIES1 citations51
US9123539B2Sep 1, 2015
Method for manufacturing optical semiconductor device
SUMITOMO ELECTRIC INDUSTRIES1 citations50
US8873598B2Oct 28, 2014
Waveguide-type optical semiconductor device
SUMITOMO ELECTRIC INDUSTRIES0 citations41
US8946842B2Feb 3, 2015
Method for manufacturing optical waveguide receiver and optical waveguide receiver
SUMITOMO ELECTRIC INDUSTRIES0 citations40