Inventor · disambiguated record
Tomohiro Umezawa
Also filed as: UMEZAWA TOMOHIRO
2 granted patents·2 pending applications·37 citations·filing 2000–2004
64Inventor score
Top patents by PatentIndex Score
4 records- 0173US6488204B1Payment management method and system using an IC cardHITACHI LTD·Filed 2000·Granted Dec 3, 2002·13 cites·6 claims
- 0267US6604679B2Payment management method and system using an IC cardHITACHI LTD·Filed 2002·Granted Aug 12, 2003·24 cites·11 claims
- 0351US2006010055A1Business evaluation supporting methodMORITA MAYUMI·Filed 2004·Application pending·0 cites
- 0449US2002178033A1Automobile insurance contents setting system, automobile insurance premium setting system, and automobile insurance premium collection systemFiled 2002·Application pending·0 cites
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