Itsuko Hamaguchi
3Patents
2h-index
4Co-inventors
33Inventor score
Filing activity: Aug 3, 2001 → Jul 31, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6486281B1 | Process for preparing high-purity vinylpyrrolidone polymer | Chemistry; Metallurgy | 4 | Expired |
| US6465592B1 | Process for preparing vinylpyrrolidone polymer | Chemistry; Metallurgy | 2 | Expired |
| US7700674B2 | Vinylpyrrolidone-based polymer composition | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.