Masao Siga
20Patents
10h-index
29Co-inventors
71Inventor score
Filing activity: Mar 30, 1982 → Aug 31, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4850187A | Gas turbine having components composed of heat resistant steel | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6074169A | High and low pressure sides-integrating steam turbine, long blades thereof and combined cycle power generation system | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5383768A | Steam turbine, rotor shaft thereof, and heat resisting steel | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5360318A | Compressor for gas turbine and gas turbine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6224334A | Steam turbine, rotor shaft thereof, and heat resisting steel | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5008072A | Heat resistant steel and gas turbine components composed of the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5548174A | Steel rotor shafts of electric machines | Chemistry; Metallurgy | 11 | Expired |
| US5536146A | Combined generator system | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5906096A | Compressor for turbine and gas turbine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4504554A | Rotor shaft of steam turbine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4497670A | Rotor shaft and manufacturing method thereof | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6182439A | High and low pressure sides-integrating system turbine, long blades thereof and combined cycle power generation system | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5428953A | Combined cycle gas turbine with high temperature alloy, monolithic compressor rotor | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4414024A | Martensitic heat-resistant steel | Chemistry; Metallurgy | 7 | Expired |
| US5624235A | Steam turbine, rotor shaft thereof, and heat resisting steel | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6092989A | Compressor for turbine and gas turbine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5437742A | Steel rotor shafts for electric machines | Chemistry; Metallurgy | 5 | Expired |
| US5288455A | Steel for rotor shafts of electric machines and method and product thereof | Chemistry; Metallurgy | 5 | Expired |
| US5569338A | Steam turbine rotor shaft thereof and heat resisting steel | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4585478A | Heat resisting steel | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.