Siga; Masao

Patent Applications and Registrations

Patent applications and USPTO patent grants for Siga; Masao.The latest application filed is for "high and low pressure sides-integrating system turbine, long blades thereof and combined cycle power generation system".

Company Profile

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Siga; Masao - Hitachiota JP
Siga; Masao - Hitachi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
High and low pressure sides-integrating system turbine, long blades thereof and combined cycle power generation system Grant 6,182,439 - Siga , et al. February 6, 2	2001-02-06
High and low pressure sides-integrating steam turbine, long blades thereof and combined cycle power generation system Grant 6,074,169 - Siga , et al. June 13, 2	2000-06-13
Steel rotor shafts of electric machines Grant 5,548,174 - Siga , et al. August 20, 1	1996-08-20
Steel rotor shafts for electric machines Grant 5,437,742 - Siga , et al. August 1, 1	1995-08-01
Combined cycle gas turbine with high temperature alloy, monolithic compressor rotor Grant 5,428,953 - Siga , et al. July 4, 1	1995-07-04
Steam turbine, rotor shaft thereof, and heat resisting steel Grant 5,383,768 - Siga , et al. January 24, 1	1995-01-24
Compressor for gas turbine and gas turbine Grant 5,360,318 - Siga , et al. November 1, 1	1994-11-01
Steel for rotor shafts of electric machines and method and product thereof Grant 5,288,455 - Siga , et al. February 22, 1	1994-02-22
Heat resistant steel and gas turbine components composed of the same Grant 5,008,072 - Siga , et al. April 16, 1	1991-04-16
Gas turbine having components composed of heat resistant steel Grant 4,850,187 - Siga , et al. July 25, 1	1989-07-25
Martensitic heat-resistant steel Grant 4,414,024 - Siga , et al. November 8, 1	1983-11-08

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