Inventor · disambiguated record
Tooru Yokozawa
Also filed as: YOKOZAWA TOORU
4 granted patents·315 citations·filing 1995–2003
80Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0186US5933478AData transfer system and handheld terminal device used thereforHITACHI LTD·Filed 1995·Granted Aug 3, 1999·206 cites·24 claims
- 0264US5740369AInformation delivery system and portable information terminalHITACHI LTD·Filed 1995·Granted Apr 14, 1998·99 cites·14 claims
- 0363US6850267B2Video telephone system and terminal device thereforHITACHI LTD·Filed 2003·Granted Feb 1, 2005·7 cites·21 claims
- 0453US7584431B2Communication system and terminal units connected theretoHITACHI LTD·Filed 2003·Granted Sep 1, 2009·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →