Inventor · disambiguated record
Kazumasa Toyama
Also filed as: TOYAMA KAZUMASA
3 granted patents·86 citations·filing 1994–2003
66Inventor score
Top patents by PatentIndex Score
3 records- 0182US5541928ACommunication system which establishes communication sessions based on unit ID codes to avoid transmission conflictsNIPPON DENSO CO·Filed 1994·Granted Jul 30, 1996·83 cites·17 claims
- 0256US7349669B2Electronic toll collection system adapted to plural types of protocols employed by various on-vehicle unitsDENSO CORP·Filed 2002·Granted Mar 25, 2008·3 cites·5 claims
- 0346US7030776B2On-vehicle device including numerical information notification functionDENSO CORP·Filed 2003·Granted Apr 18, 2006·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →