Chika Hamada
3Patents
1h-index
13Co-inventors
37Inventor score
Filing activity: Jun 3, 1997 → Apr 14, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6139852A | Extract composition as hair growth phase extender | Human Necessities | 7 | Expired |
| US5973000A | Hair revitalization tonic composition containing a lipid derivative and use thereof | Human Necessities | 1 | Expired |
| US7285294B2 | Hair growth inhibitors and composition containing same | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.