JEOL Ltd.
813Patents
467Active
813Granted
55Portfolio score
Filing activity: Dec 23, 1980 → Mar 8, 2024 · 88 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6310762A | Carbon material for electric double layer capacitor, method of producing same, electric double layer capacitor and method of fabricating same | Emerging Cross-Sectional Technologies | 93 | Expired |
| US6146592A | Automatic biochemical analyzer | Emerging Cross-Sectional Technologies | 85 | Expired |
| US4992660A | Scanning tunneling microscope | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5713426A | Hybrid vehicle | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5783928A | Storage capacitor power supply | Emerging Cross-Sectional Technologies | 62 | Expired |
| US6504365B2 | Magnetic force microscope | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6914430B2 | NMR probe | Physics | 60 | Expired |
| US5367163A | Sample analyzing instrument using first and second plasma torches | Electricity | 58 | Expired |
| US4894541A | Apparatus utilizing charged-particle beam | Electricity | 57 | Expired |
| US5907157A | Method and apparatus for preparing specimen | Electricity | 56 | Expired |
| US6426501B1 | Defect-review SEM, reference sample for adjustment thereof, method for adjustment thereof, and method of inspecting contact holes | Electricity | 55 | Expired |
| US4681513A | Two-stage pump assembly | Physics | 51 | Expired |
| US5734205A | Power supply using batteries undergoing great voltage variations | Emerging Cross-Sectional Technologies | 48 | Expired |
| US5225683A | Detachable specimen holder for transmission electron microscope | Electricity | 44 | Expired |
| US7864922B2 | Wavelength-dispersive X-ray spectrometer | Electricity | 43 | Active |
| US4912326A | Direct imaging type SIMS instrument | Electricity | 43 | Expired |
| US6005246A | Scanning probe microscope | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6300625A | Time-of-flight mass spectrometer | Electricity | 36 | Expired |
| US6317343A | Capacitor power supply with switches to decrease variations in output voltage | Electricity | 35 | Expired |
| US6738252B2 | Carbon material for electric double layer capacitor, method of producing same, electric double layer capacitor and method of fabricating same | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5355252A | Scanning laser microscope | Physics | 33 | Expired |
| US6721168B2 | Electric double-layer capacitor and carbon material therefor | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5406087A | Specimen-holding device for electron microscope | Electricity | 32 | Expired |
| US6949736B2 | Method of multi-turn time-of-flight mass analysis | Electricity | 31 | Expired |
| US5004918A | Differential phase contrast scanning transmission electron microscope | Electricity | 30 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.