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Inventor
TOYAMA KAZUMASA
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “TOYAMA KAZUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
2 patents
US7349669B2
Mar 25, 2008
Electronic toll collection system adapted to plural types of protocols employed by various on-vehicle units
DENSO CORP
3 citations
56
US7030776B2
Apr 18, 2006
On-vehicle device including numerical information notification function
DENSO CORP
0 citations
45
NIPPON DENSO CO
1 patent
US5541928A
Jul 30, 1996
Communication system which establishes communication sessions based on unit ID codes to avoid transmission conflicts
NIPPON DENSO CO
83 citations
90