Inventor · disambiguated record
Ryo Hiraga
Also filed as: HIRAGA RYO
18 granted patents·396 citations·filing 1975–2002
96Inventor score
Files withHITACHI LTD18
Top patents by PatentIndex Score
18 records- 0184US6546713B1Gas turbine for power generation, and combined power generation systemHITACHI LTD·Filed 1997·Granted Apr 15, 2003·38 cites·7 claims
- 0282US5964091AGas turbine combustor and gas turbineHITACHI LTD·Filed 1996·Granted Oct 12, 1999·42 cites·13 claims
- 0381US6074169AHigh and low pressure sides-integrating steam turbine, long blades thereof and combined cycle power generation systemHITACHI LTD·Filed 1997·Granted Jun 13, 2000·28 cites·10 claims
- 0480US6123504ASteam-turbine power plant and steam turbineHITACHI LTD·Filed 1995·Granted Sep 26, 2000·19 cites·2 claims
- 0578US5749228ASteam-turbine power plant and steam turbineHITACHI LTD·Filed 1995·Granted May 12, 1998·33 cites·16 claims
- 0677US6419453B2Steam turbine rotor shaftHITACHI LTD·Filed 2001·Granted Jul 16, 2002·11 cites·5 claims
- 0777US6174132B1Steam-turbine power plant and steam turbineHITACHI LTD·Filed 1998·Granted Jan 16, 2001·17 cites·4 claims
- 0876US5008072AHeat resistant steel and gas turbine components composed of the sameHITACHI LTD·Filed 1989·Granted Apr 16, 1991·19 cites·15 claims
- 0974US6574966B2Gas turbine for power generationHITACHI LTD·Filed 2002·Granted Jun 10, 2003·32 cites·7 claims
- 1074US5961284AHigh strength heat resisting cast steel, steam turbine casing, steam turbine power plant and steam turbineHITACHI LTD·Filed 1996·Granted Oct 5, 1999·24 cites·48 claims
- 1172US4850187AGas turbine having components composed of heat resistant steelHITACHI LTD·Filed 1987·Granted Jul 25, 1989·28 cites·28 claims
- 1271US6248969B1Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used thereforHITACHI LTD·Filed 1998·Granted Jun 19, 2001·24 cites·14 claims
- 1368US5898177AElectron microscopeHITACHI LTD·Filed 1997·Granted Apr 27, 1999·20 cites·8 claims
- 1456US4043945AMethod of producing thin layer methanation reaction catalystHITACHI LTD·Filed 1975·Granted Aug 23, 1977·11 cites·12 claims
- 1553US4912544ACorrosion-resistant aluminum electronic materialHITACHI LTD·Filed 1983·Granted Mar 27, 1990·16 cites·9 claims
- 1652US4933228AThermosetting resin and prepreg and laminate using the sameHITACHI LTD·Filed 1989·Granted Jun 12, 1990·9 cites·2 claims
- 1749US6182439B1High and low pressure sides-integrating system turbine, long blades thereof and combined cycle power generation systemHITACHI LTD·Filed 1999·Granted Feb 6, 2001·20 cites·7 claims
- 1839US4886858AThermosetting resin and prepreg and laminate using the sameHITACHI LTD·Filed 1987·Granted Dec 12, 1989·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →