JEOL Technics Ltd.
4Patents
0Active
4Granted
22Portfolio score
Filing activity: Mar 31, 1989 → Mar 25, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5097134A | Scanning electron microscope | Electricity | 16 | Expired |
| US5182454A | Scanning electron microscope | Electricity | 11 | Expired |
| US4978856A | Automatic focusing apparatus | Electricity | 9 | Expired |
| US6686590B2 | Low-vacuum scanning electron microscope | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.