Inventor · disambiguated record
Koji Hirao
Also filed as: HIRAO KOJI
6 granted patents·1 pending application·123 citations·filing 1980–2003
84Inventor score
Top patents by PatentIndex Score
7 records- 0187US6129143ABrazing sheet having an excellent corrosion resistance for use in a heat exchanger, and a heat exchanger using the sameDENSO CORP·Filed 1997·Granted Oct 10, 2000·51 cites·11 claims
- 0272US7018722B2Aluminum alloy fin material for heat exchangers and heat exchanger including the fin materialSUMITOMO LIGHT METAL IND·Filed 2003·Granted Mar 28, 2006·15 cites·11 claims
- 0370US6234377B1Brazing composition for aluminum material, aluminum material for brazing, and method of brazing aluminum materialDENSO CORP·Filed 1999·Granted May 22, 2001·30 cites·9 claims
- 0450US4337978AMechanism for adjusting inclination angle of seatAISIN SEIKI·Filed 1980·Granted Jul 6, 1982·23 cites·2 claims
- 0549US6849136B2Filler metal for aluminum brazing sheet for heat exchangers and method of manufacturing sameDENSO CORP·Filed 2002·Granted Feb 1, 2005·3 cites·4 claims
- 0641US6625886B2Manufacturing method of heat exchangerDENSO CORP·Filed 2002·Granted Sep 30, 2003·1 cites·13 claims
- 0741US2002078566A1Heat exchanger made of aluminum alloyFiled 2001·Application pending·0 cites
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