Inventor
TOYAMA YOSHIKAZU
JP3 patents
⚠️ This page may combine multiple inventors who share the name “TOYAMA YOSHIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
2 patentsUS11756422B2Sep 12, 2023
Traffic signal information distribution system, and traffic signal information distribution method
SUMITOMO ELECTRIC INDUSTRIES2 citations67
US12340690B2Jun 24, 2025
Traffic signal information distribution system, and traffic signal information distribution method
SUMITOMO ELECTRIC INDUSTRIES0 citations56