Ishihara
1Patents
0Active
1Granted
22Portfolio score
Filing activity: Sep 29, 1997 → Sep 29, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6018425A | Wide-angle lens assembly and method | Physics | 30 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.