Isao Umemoto
3Patents
3h-index
7Co-inventors
43Inventor score
Filing activity: Mar 7, 1988 → Mar 19, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5980924A | Skin cleansing sheet | Textiles; Paper | 40 | Expired |
| US5767059A | Cleanser composition comprising an alkali metal salt of a secondary Amide-type N-Acylamino acid , and alkali metal salt of a higher fatty acid , and an amphoteric surfactant | Chemistry; Metallurgy | 9 | Expired |
| US4885109A | Quick-drying pack-type face-cleansing composition | Human Necessities | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.