Masato Umeda
3Patents
3h-index
5Co-inventors
36Inventor score
Filing activity: Oct 16, 1985 → May 31, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD297675S | Electric vacuum cleaner | General | 24 | Expired |
| US4967609A | Flexible boot | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| USD297475S | Electric vacuum cleaner | General | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.