Hitomi Umehara
1Patents
1h-index
2Co-inventors
22Inventor score
Filing activity: Apr 23, 1998 → Apr 23, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6000275A | Method for analyzing impurities in gas and its analyzer | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.