Inventor · disambiguated record
Toshiya Nagasawa
Also filed as: NAGASAWA TOSHIYA
20 granted patents·2 pending applications·326 citations·filing 1994–2022
94Inventor score
Top patents by PatentIndex Score
22 records- 0195US6449979B1Refrigerant evaporator with refrigerant distributionDENSO CORP·Filed 2000·Granted Sep 17, 2002·89 cites·12 claims
- 0294US6340055B1Heat exchanger having multi-hole structured tubeDENSO CORP·Filed 2000·Granted Jan 22, 2002·68 cites·20 claims
- 0390US12228351B2Heat exchanger and corrugated finDENSO CORP·Filed 2022·Granted Feb 18, 2025·1 cites·10 claims
- 0479US5481886ACooling unit and drain case for air conditionersNIPPON DENSO CO·Filed 1994·Granted Jan 9, 1996·53 cites·13 claims
- 0576US6339937B1Refrigerant evaporatorDENSO CORP·Filed 2000·Granted Jan 22, 2002·21 cites·20 claims
- 0675US9719732B2Cold storage heat exchangerDENSO CORP·Filed 2013·Granted Aug 1, 2017·2 cites·8 claims
- 0766US9927160B2EvaporatorDENSO CORP·Filed 2013·Granted Mar 27, 2018·1 cites·11 claims
- 0866US2020096264A1Heat exchanger and corrugated finDENSO CORP·Filed 2019·Application pending·0 cites
- 0959US10352599B2EvaporatorDENSO CORP·Filed 2013·Granted Jul 16, 2019·0 cites·16 claims
- 1057US11187432B2Heat exchanger and corrugated finDENSO CORP·Filed 2019·Granted Nov 30, 2021·0 cites·7 claims
- 1157US9074799B2Cooling-storage type heat exchangerABEI JUN·Filed 2012·Granted Jul 7, 2015·1 cites·10 claims
- 1256US6871508B2Air conditioner with reduced number of piping accessoriesDENSO CORP·Filed 2003·Granted Mar 29, 2005·10 cites·5 claims
- 1356US5562157AHeat exchangerNIPPON DENSO CO·Filed 1995·Granted Oct 8, 1996·21 cites·7 claims
- 1454US5632161ALaminated-type evaporatorNIPPON DENSO CO·Filed 1995·Granted May 27, 1997·21 cites·14 claims
- 1553US6899166B2Method for preventing contamination of heat exchanger and heat exchanger using this methodDENSO CORP·Filed 2001·Granted May 31, 2005·4 cites·27 claims
- 1652US10401062B2Cold storage heat exchangerDENSO CORP·Filed 2014·Granted Sep 3, 2019·0 cites·6 claims
- 1752US9989315B2Cold storage heat exchangerDENSO CORP·Filed 2013·Granted Jun 5, 2018·0 cites·12 claims
- 1850US10696128B2Cold storage heat exchangerDENSO CORP·Filed 2016·Granted Jun 30, 2020·0 cites·37 claims
- 1948US5669439ALaminated type heat exchangerNIPPON DENSO CO·Filed 1996·Granted Sep 23, 1997·15 cites·5 claims
- 2048US5609036AEvaporator for cooling apparatusNIPPON DENSO CO·Filed 1995·Granted Mar 11, 1997·15 cites·9 claims
- 2141US2002078566A1Heat exchanger made of aluminum alloyFiled 2001·Application pending·0 cites
- 2234US5653283ALaminated type heat exchangerNIPPON DENSO CO·Filed 1996·Granted Aug 5, 1997·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →