Risa Maejima
3Patents
3h-index
9Co-inventors
36Inventor score
Filing activity: Mar 6, 1991 → Jul 29, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5171572A | Barium sulfate and cosmetic compositions comprising same | Chemistry; Metallurgy | 9 | Expired |
| US5340582A | Barium sulfate cosmetic composition | Chemistry; Metallurgy | 7 | Expired |
| US5262148A | Process for preparing barium sulfate | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.