Inventor · disambiguated record
Hisayoshi Sakakibara
Also filed as: SAKAKIBARA HISAYOSHI
27 granted patents·1,069 citations·filing 1990–2010
98Inventor score
Top patents by PatentIndex Score
27 records- 0197US6477857B2Ejector cycle system with critical refrigerant pressureDENSO CORP·Filed 2001·Granted Nov 12, 2002·114 cites·52 claims
- 0291US6467288B2Heat-pump water heaterDENSO CORP·Filed 2001·Granted Oct 22, 2002·64 cites·17 claims
- 0391US6467289B2Hot-water supply system with heat pump cycleDENSO CORP·Filed 2001·Granted Oct 22, 2002·63 cites·30 claims
- 0491US6044655AVapor compression type refrigerating systemDENSO CORP·Filed 1997·Granted Apr 4, 2000·84 cites·13 claims
- 0591US5983657AAir conditioning systemDENSO CORP·Filed 1998·Granted Nov 16, 1999·68 cites·6 claims
- 0690US5918475AAir conditioning apparatus for vehicle, using a flammable refrigerantDENSO CORP·Filed 1996·Granted Jul 6, 1999·65 cites·16 claims
- 0789US6418737B1Heat pump type hot-water supply system capable of performing defrosting operationDENSO CORP·Filed 2000·Granted Jul 16, 2002·53 cites·13 claims
- 0886US7021073B2Heat pump hot water supply system of hot water storage typeDENSO CORP·Filed 2004·Granted Apr 4, 2006·32 cites·10 claims
- 0983US5890370ARefrigerating system with pressure control valveDENSO CORP·Filed 1997·Granted Apr 6, 1999·54 cites·5 claims
- 1082US5448899ARefrigerant evaporatorNIPPON DENSO CO·Filed 1993·Granted Sep 12, 1995·52 cites·8 claims
- 1181US6627858B2Hot-water supply systemDENSO CORP·Filed 2001·Granted Sep 30, 2003·27 cites·18 claims
- 1281US6494051B2Hot water supply systemDENSO CORP·Filed 2001·Granted Dec 17, 2002·29 cites·8 claims
- 1380US6430949B2Heat-pump water heaterDENSO CORP·Filed 2001·Granted Aug 13, 2002·31 cites·20 claims
- 1480US6370896B1Hot water supply systemDENSO CORP·Filed 1999·Granted Apr 16, 2002·40 cites·13 claims
- 1576US7076964B2Super-critical refrigerant cycle system and water heater using the sameDENSO CORP·Filed 2002·Granted Jul 18, 2006·22 cites·19 claims
- 1676US5713213ARefrigeration cycle device having accurate refrigerant deficiency detection capabilityDENSO CORP·Filed 1996·Granted Feb 3, 1998·40 cites·23 claims
- 1775US5660051AAir conditioner for vehicle, using flammable refrigerantNIPPON DENSO CO·Filed 1996·Granted Aug 26, 1997·33 cites·19 claims
- 1870US8405354B2Charging control device and electricity storage device including a batterySAKAKIBARA HISAYOSHI·Filed 2010·Granted Mar 26, 2013·5 cites·9 claims
- 1968US6000233ARefrigerant cycleDENSO CORP·Filed 1998·Granted Dec 14, 1999·31 cites·12 claims
- 2067US6508073B2Hot water supply system with heat pump cycleDENSO CORP·Filed 2001·Granted Jan 21, 2003·16 cites·11 claims
- 2166US5159820AOil separator integrally mounted on compressorNIPPON DENSO CO·Filed 1990·Granted Nov 3, 1992·30 cites·29 claims
- 2263US5588590AExpansion valve combined with a solenoid valveSAGINOMIYA SEISAKUSHO INC·Filed 1994·Granted Dec 31, 1996·26 cites·11 claims
- 2361US5515695ARefrigerating apparatusNIPPON DENSO CO·Filed 1995·Granted May 14, 1996·30 cites·16 claims
- 2458US6012300APressure control valve for refrigerating systemDENSO CORP·Filed 1998·Granted Jan 11, 2000·22 cites·11 claims
- 2549US5490397AWater removing device in refrigerating systemNIPPON DENSO CO·Filed 1994·Granted Feb 13, 1996·14 cites·8 claims
- 2647US5301520AWater removing device in refrigerating systemNIPPON DENSO CO·Filed 1992·Granted Apr 12, 1994·13 cites·15 claims
- 2741US5367883ARefrigeration systemNIPPON DENSO CO·Filed 1993·Granted Nov 29, 1994·11 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Hisayoshi Sakakibara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →