Inventor · disambiguated record
Hiroki Naganawa
Also filed as: NAGANAWA HIROKI
7 granted patents·1 pending application·50 citations·filing 2004–2013
83Inventor score
Top patents by PatentIndex Score
8 records- 0191US7866378B2Double-wall pipe, method of manufacturing the same and refrigerant cycle device provided with the sameDENSO CORP·Filed 2005·Granted Jan 11, 2011·21 cites·16 claims
- 0288US7887099B2Compound tube and method of producing the sameDENSO CORP·Filed 2006·Granted Feb 15, 2011·7 cites·8 claims
- 0377US7886420B2Method of manufacturing double pipeDENSO CORP·Filed 2006·Granted Feb 15, 2011·10 cites·15 claims
- 0471US7926853B2Heat exchanger pipe jointDENSO CORP·Filed 2007·Granted Apr 19, 2011·8 cites·15 claims
- 0564US9669499B2Double-wall pipe, method of manufacturing the same and refrigerant cycle device provided with the sameNAKAMURA FUMIAKI·Filed 2010·Granted Jun 6, 2017·1 cites·31 claims
- 0653US2014109373A1Double-Wall Pipe, Method Of Manufacturing The Same And Refrigerant Cycle Device Provided With The SameDENSO AIR SYSTEMS CORP·Filed 2013·Application pending·0 cites
- 0752US8251101B2Refrigerant piping unit and method of manufacturing pipe for the sameYOSHINO MAKOTO·Filed 2008·Granted Aug 28, 2012·0 cites·8 claims
- 0843US7249467B2Gas-liquid separator for refrigerant cycle systemDENSO CORP·Filed 2004·Granted Jul 31, 2007·3 cites·13 claims
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