Hiroshi Toshima
5Patents
4h-index
17Co-inventors
50Inventor score
Filing activity: Jun 25, 1993 → Jun 14, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6306289A | Catalyst for hydrogenation treatment and method for hydrogenation treatment of hydrocarbon oil | Performing Operations; Transporting | 27 | Expired |
| US7491313B2 | Two-step hydroprocessing method for heavy hydrocarbon oil | Chemistry; Metallurgy | 26 | Expired |
| US5633042A | Process for manufacturing prepregs for use as electric insulating material | Chemistry; Metallurgy | 11 | Expired |
| US5944983A | Hydrotreating catalyst and hydrotreating process of hydrocarbon oil by using the same | Performing Operations; Transporting | 5 | Expired |
| US5395607A | High compressive strength pitch based carbon fiber | Textiles; Paper | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.