Ken Shiraga
9Patents
5h-index
25Co-inventors
63Inventor score
Filing activity: Aug 25, 1975 → Feb 3, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6027697A | Method and apparatus for treating combustion exhaust gases | Performing Operations; Transporting | 23 | Expired |
| US4093633A | Process for preparing tetrahydrofuran | Chemistry; Metallurgy | 14 | Expired |
| US4010197A | Process for producing diacetoxybutanes and butanediols | Chemistry; Metallurgy | 13 | Expired |
| US6294685A | Method for gas phase catalytic oxidation of hydrocarbon | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5498731A | Oxide catalyst and process for producing maleic anhydride by using oxide catalyst | Performing Operations; Transporting | 5 | Expired |
| US4156685A | Process for producing a hydrofuran and a 1,4-diol | Chemistry; Metallurgy | 5 | Expired |
| US4062900A | Process for preparing butanediol and/or butenediol | Chemistry; Metallurgy | 4 | Expired |
| US4057472A | Method of separating diacetoxybutene | Chemistry; Metallurgy | 3 | Expired |
| US4225729A | Process for hydrogenation of diacetoxybutene | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.