Junji Endo
17Patents
9h-index
30Co-inventors
72Inventor score
Filing activity: Mar 30, 1984 → Aug 30, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4935625A | Electron holography apparatus | Electricity | 26 | Expired |
| US4844949A | Method of surface treatment and apparatus used therefor | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5192867A | Electron optical measurement apparatus | Electricity | 18 | Expired |
| US4686117A | Method of forming a carbide layer | Chemistry; Metallurgy | 15 | Expired |
| US4765847A | Method of treating the surface of iron alloy materials | Chemistry; Metallurgy | 13 | Expired |
| US4569862A | Method of forming a nitride layer | Chemistry; Metallurgy | 11 | Expired |
| US4945247A | Field emission electron gun system | Electricity | 10 | Expired |
| US4786526A | Surface treating method and apparatus | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5811805A | Charged particle guide apparatus and image viewing apparatus for charged particle microscope using the same | Electricity | 10 | Expired |
| US6838675B2 | Specimen observation system for applying external magnetic field | Electricity | 8 | Expired |
| US5059859A | Charged particle beam generating apparatus of multi-stage acceleration type | Electricity | 7 | Expired |
| US4871401A | Fluidized bed method of forming a nitride or carbonitride layer | Chemistry; Metallurgy | 7 | Expired |
| US4514275A | Apparatus for physical vapor deposition | Chemistry; Metallurgy | 6 | Expired |
| US4642461A | Field emission type electron microscope using a multi-stage acceleration tube | Electricity | 4 | Expired |
| US6950195B2 | Interference measuring device | Electricity | 3 | Expired |
| US5446589A | Interference device and method for observing phase informalities | Physics | 2 | Expired |
| US9130572B2 | Controller provided with touch detection device including movable and fixed contact patterns | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.