Yoji Akazawa
5Patents
5h-index
12Co-inventors
56Inventor score
Filing activity: Nov 26, 1980 → May 19, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5322960A | Method for inhibiting polymerization of (meth) acrylic acid and esters thereof | Chemistry; Metallurgy | 41 | Expired |
| US5504243A | Method for inhibiting polymerization of (meth) acrylic acid and esters thereof | Chemistry; Metallurgy | 28 | Expired |
| US5315037A | Process for purification of acrylic acid | Chemistry; Metallurgy | 22 | Expired |
| US4665200A | Method for preparing pyromellitic acid and/or pyromellitic anhydride | Performing Operations; Transporting | 16 | Expired |
| US4356112A | Catalyst for production of phthalic anhydride | Performing Operations; Transporting | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.