Hidehiro Higashi
8Patents
7h-index
14Co-inventors
56Inventor score
Filing activity: Jun 7, 1982 → Aug 15, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5779992A | Process for hydrotreating heavy oil and hydrotreating apparatus | Chemistry; Metallurgy | 71 | Expired |
| US4613425A | Process for hydrotreating heavy hydrocarbon oils | Performing Operations; Transporting | 38 | Expired |
| US5591325A | Process for hydrotreating heavy oil and hydrotreating apparatus | Chemistry; Metallurgy | 33 | Expired |
| US4925554A | Hydrotreating process for heavy hydrocarbon oils | Chemistry; Metallurgy | 26 | Expired |
| US4500645A | Hydrocracking catalyst composition and method of making same | Performing Operations; Transporting | 19 | Expired |
| US4789654A | Hydrotreating catalysts | Chemistry; Metallurgy | 12 | Expired |
| US4419275A | Method of hydrorefining catalyst manufacture | Performing Operations; Transporting | 9 | Expired |
| US4668649A | Modified zeolite | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.