Yohei Hamano
6Patents
3h-index
21Co-inventors
53Inventor score
Filing activity: Feb 27, 1997 → Aug 11, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5879692A | Tocopheryl ascorbyl phosphate-cyclodextrin clathrate and a topical dermal composition containing said clathrate | Human Necessities | 4 | Expired |
| US5871759A | Cholesterol ester clathrate, water-holding composition, hydrous compositions, cosmetics containing the same, and processes for the preparation thereof | Human Necessities | 4 | Expired |
| US6309653A | Cholesterol ester clathrate, water-holding composition, hydrous compositions, cosmetics containing the same, and process for the preparation thereof | Human Necessities | 3 | Expired |
| US6582687B1 | Weak acid skin cleanser | Human Necessities | 3 | Expired |
| US7625574B2 | Skin treatment composition | Human Necessities | 1 | Active |
| US8153142B2 | Skin treatment composition | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.