Fumio SUDO
14Patents
4h-index
36Co-inventors
60Inventor score
Filing activity: Feb 6, 1980 → Mar 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4552334A | Flow change-over valve for the blowing of fluids into molten metal vessel | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6218861A | Functional block and semiconductor integrated circuit architected by a plurality of functional blocks in combination | Physics | 7 | Expired |
| US5106411A | Method of and apparatus for removing non-metallic inclusions in molten metal | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4655831A | Method of stabilizing a steel making slag | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4263043A | Desulfurizing agent for injection | Chemistry; Metallurgy | 4 | Expired |
| US5882377A | Process for smelting reduction of chromium ore | Chemistry; Metallurgy | 2 | Expired |
| US4392886A | Method of recovering CO-rich exhaust gas in refining of metal | Chemistry; Metallurgy | 2 | Expired |
| US4356032A | Method of dephosphorizing molten pig iron | Chemistry; Metallurgy | 2 | Expired |
| US4543125A | Process of making steel in converter using a great amount of iron-bearing cold material | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11860075B2 | Analyzing method and analyzing apparatus for urea | Physics | 1 | Active |
| US12037276B2 | Apparatus for removing boron, method for removing boron, apparatus for producing pure water and method for producing pure water | Chemistry; Metallurgy | 1 | Active |
| US12338152B2 | Boron removal device and boron removal method, and pure water production device and pure water production method | Emerging Cross-Sectional Technologies | 0 | Active |
| US4473398A | Method for desulfurizing a molten iron by injection | Chemistry; Metallurgy | 0 | Expired |
| US11932555B2 | Water treatment management apparatus and water quality monitoring method | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.