Yuji Sumida
1Patents
0Active
1Granted
22Portfolio score
Filing activity: Mar 21, 2000 → Mar 21, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6273112A | Extendable stick | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.