Inventor · disambiguated record
Masao Shiga
Also filed as: SHIGA MASAO
16 granted patents·389 citations·filing 1981–2002
95Inventor score
Files withHITACHI LTD16
Top patents by PatentIndex Score
16 records- 0192US6575700B2Steam turbine blade, and steam turbine and steam turbine power plant using the sameHITACHI LTD·Filed 2002·Granted Jun 10, 2003·50 cites·26 claims
- 0290US6358004B1Steam turbine power-generation plant and steam turbineHITACHI LTD·Filed 2000·Granted Mar 19, 2002·27 cites·8 claims
- 0386US6398504B1Steam turbine blade, and steam turbine and steam turbine power plant using the sameHITACHI LTD·Filed 2000·Granted Jun 4, 2002·17 cites·19 claims
- 0484US6546713B1Gas turbine for power generation, and combined power generation systemHITACHI LTD·Filed 1997·Granted Apr 15, 2003·38 cites·7 claims
- 0583US4566810ASteam turbine rotor shaftHITACHI LTD·Filed 1983·Granted Jan 28, 1986·33 cites·2 claims
- 0680US6123504ASteam-turbine power plant and steam turbineHITACHI LTD·Filed 1995·Granted Sep 26, 2000·19 cites·2 claims
- 0778US5749228ASteam-turbine power plant and steam turbineHITACHI LTD·Filed 1995·Granted May 12, 1998·33 cites·16 claims
- 0877US6174132B1Steam-turbine power plant and steam turbineHITACHI LTD·Filed 1998·Granted Jan 16, 2001·17 cites·4 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
- 1170US4477280AHeat resisting steelHITACHI LTD·Filed 1982·Granted Oct 16, 1984·17 cites·16 claims
- 1270US4426162ARotor shaftHITACHI LTD·Filed 1981·Granted Jan 17, 1984·22 cites·8 claims
- 1369US5911842AHeat resisting steel and steam turbine rotor shaft and method of making thereofHITACHI LTD·Filed 1997·Granted Jun 15, 1999·20 cites·14 claims
- 1466US6305078B1Method of making a turbine bladeHITACHI LTD·Filed 2000·Granted Oct 23, 2001·11 cites·1 claims
- 1547US6129514ASteam turbine power-generation plant and steam turbineHITACHI LTD·Filed 1996·Granted Oct 10, 2000·23 cites·7 claims
- 1644US4581067AHigh-strength austenitic steelHITACHI LTD·Filed 1983·Granted Apr 8, 1986·6 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →