Shirou Aizawa
8Patents
5h-index
10Co-inventors
56Inventor score
Filing activity: Mar 21, 1979 → Mar 9, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4224140A | Process for producing cracked distillate and hydrogen from heavy oil | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4298460A | Process for processing sulfur-containing heavy oil | Chemistry; Metallurgy | 15 | Expired |
| US4325812A | Process for cracking heavy hydrocarbons into light oils and producing hydrogen | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4421635A | Process for simultaneously cracking heavy hydrocarbons into light oils and producing hydrogen | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4308173A | Catalyst for cracking heavy hydrocarbons | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4399023A | Process for simultaneously cracking heavy hydrocarbons into light oils and producing hydrogen | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4963248A | Process for production of dimethylnaphthalenes | Chemistry; Metallurgy | 3 | Expired |
| US5045178A | Process for production of methylnaphthalenes | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.