Inventor · disambiguated record
Takahumi Umehara
Also filed as: UMEHARA TAKAHUMI
4 granted patents·95 citations·filing 1998–1998
79Inventor score
Files withZEXEL CORP4
Top patents by PatentIndex Score
4 records- 0171US6357520B1Heat exchangerZEXEL CORP·Filed 1998·Granted Mar 19, 2002·30 cites·3 claims
- 0267US6467170B2Tube for heat exchangers and method of manufacturing sameZEXEL CORP·Filed 1998·Granted Oct 22, 2002·26 cites·3 claims
- 0359US5979051AHeat exchanger and method of producing the sameZEXEL CORP·Filed 1998·Granted Nov 9, 1999·22 cites·6 claims
- 0456US6799630B1Tube for heat exchangers and method of manufacturing the sameZEXEL CORP·Filed 1998·Granted Oct 5, 2004·17 cites·1 claims
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