Inventor
WASHINO RYU
JP13 patents
⚠️ This page may combine multiple inventors who share the name “WASHINO RYU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUMENTUM JAPAN INC
6 patentsUS11705528B2Jul 18, 2023
Semiconductor light-receiving element and manufacturing method of semiconductor light-receiving element
LUMENTUM JAPAN INC0 citations61
US11121268B2Sep 14, 2021
Semiconductor light-receiving element and manufacturing method of semiconductor light-receiving element
LUMENTUM JAPAN INC1 citations61
US12046870B2Jul 23, 2024
Optical semiconductor device
LUMENTUM JAPAN INC0 citations58
US12510775B2Dec 30, 2025
Semiconductor optical device
LUMENTUM JAPAN INC0 citations56
US11880098B2Jan 23, 2024
Semiconductor optical device
LUMENTUM JAPAN INC1 citations56
US12027822B2Jul 2, 2024
Optical semiconductor device
LUMENTUM JAPAN INC0 citations48
OPNEXT JAPAN INC
5 patentsUS7855093B2Dec 21, 2010
Semiconductor laser device and method of manufacturing the same
OPNEXT JAPAN INC4 citations62
US7687295B2Mar 30, 2010
Method for manufacturing optical semiconductor device
OPNEXT JAPAN INC2 citations61
US7279349B2Oct 9, 2007
Semiconductor optical device and manufacturing method thereof
OPNEXT JAPAN INC5 citations58
US7459397B2Dec 2, 2008
Polishing method for semiconductor substrate, and polishing jig used therein
OPNEXT JAPAN INC2 citations56
US7687874B2Mar 30, 2010
Surface illuminated photodiode and optical receiver module
OPNEXT JAPAN INC0 citations51