Keiichi Uchikawa
2Patents
2h-index
8Co-inventors
33Inventor score
Filing activity: Apr 3, 1990 → Apr 16, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6008246A | External preparation for skin containing a low-molecular-weight betaine | Human Necessities | 18 | Expired |
| US5156836A | Hair revitalizing tonic composition | Human Necessities | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.