Akitsugu Fujita
10Patents
4h-index
20Co-inventors
52Inventor score
Filing activity: May 4, 1994 → Dec 4, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5997806A | Heat-resisting cast steel | Chemistry; Metallurgy | 7 | Expired |
| US5599408A | Method of producing a structural member | Chemistry; Metallurgy | 6 | Expired |
| US6569269B1 | Process for producing a high and low pressure integrated turbine rotor | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6123897A | High chromium heat resistant cast steel material and pressure vessel formed thereof | Chemistry; Metallurgy | 4 | Expired |
| US6773519B2 | High and low pressure integrated type turbine rotor | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6755920B2 | Low-alloy heat-resistant steel, heat treatment method therefor, and turbine rotor comprising the same | Chemistry; Metallurgy | 3 | Expired |
| US6007767A | High chromium heat resistant cast steel material | Chemistry; Metallurgy | 2 | Expired |
| US6254697A | Cast steel material for pressure vessels and method of making a pressure vessel by using same | Chemistry; Metallurgy | 2 | Expired |
| US5972287A | Heat-resisting steel | Chemistry; Metallurgy | 1 | Expired |
| US6095756A | High-CR precision casting materials and turbine blades | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.