Ryuichi Ishii
26Patents
6h-index
39Co-inventors
69Inventor score
Filing activity: Jul 19, 1994 → Aug 2, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6763334B1 | System and method of arranging delivery of advertisements over a network such as the internet | Physics | 91 | Expired |
| US6499946B1 | Steam turbine rotor and manufacturing method thereof | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US7484926B2 | Steam turbine power plant | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US5779821A | Rotor for steam turbine and manufacturing method thereof | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7238005B2 | Steam turbine power plant | Chemistry; Metallurgy | 6 | Expired |
| US6193469A | High toughness heat-resistant steel, turbine rotor and method of producing the same | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US10553559B2 | Power semiconductor device | Electricity | 6 | Active |
| US7599853B2 | System and method of arranging delivery of advertisements over a network such as the internet | Physics | 5 | Expired |
| US5560788A | Heat resisting steels | Chemistry; Metallurgy | 5 | Expired |
| US8653924B2 | Reactor | Electricity | 4 | Active |
| US11088649B2 | Power conversion unit | Emerging Cross-Sectional Technologies | 3 | Active |
| US6494970B1 | Heat resistant steel casting and method of manufacturing the same | Chemistry; Metallurgy | 3 | Expired |
| US7651318B2 | Steam turbine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US6821360B2 | Heat-resisting steel, method for thermally treating heat-resisting steel, and components made of heat-resisting steel | Chemistry; Metallurgy | 2 | Expired |
| US7850424B2 | Steam turbine power plant | Chemistry; Metallurgy | 1 | Active |
| US10242930B2 | Molded resin-sealed power semiconductor device | Electricity | 0 | Active |
| US11581247B2 | Semiconductor device resistant to thermal cracking and manufacturing method thereof | Electricity | 0 | Active |
| US12232300B2 | Power semiconductor device and method for manufacturing power semiconductor device | Electricity | 0 | Active |
| US10186501B2 | Electric power converter and power module | Electricity | 0 | Active |
| US10403559B2 | Power semiconductor device | Electricity | 0 | Active |
| US9018756B2 | Semiconductor device | Electricity | 0 | Active |
| US11569148B2 | Semiconductor device with a metal plate | Electricity | 0 | Active |
| US11430721B2 | Power module | Electricity | 0 | Active |
| US7192247B2 | Steam turbine power generation system and low-pressure turbine rotor | Chemistry; Metallurgy | 0 | Expired |
| US10937725B2 | Semiconductor device and method for manufacturing thereof | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.