NISSIN ELECTRIC CO., LTD.
175Patents
40Active
175Granted
46Portfolio score
Filing activity: Mar 25, 1974 → Jul 10, 2020 · 10 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5562952A | Plasma-CVD method and apparatus | Chemistry; Metallurgy | 464 | Expired |
| US5107170A | Ion source having auxillary ion chamber | Electricity | 401 | Expired |
| US6335535B1 | Method for implanting negative hydrogen ion and implanting apparatus | Emerging Cross-Sectional Technologies | 189 | Expired |
| US5483077A | System and method for magnetic scanning, accelerating, and implanting of an ion beam | Electricity | 121 | Expired |
| US5311028A | System and method for producing oscillating magnetic fields in working gaps useful for irradiating a surface with atomic and molecular ions | Electricity | 89 | Expired |
| US4915977A | Method of forming a diamond film | Chemistry; Metallurgy | 79 | Expired |
| US6124003A | Film depositing method and film depositing apparatus | Electricity | 74 | Expired |
| US5393984A | Magnetic deflection system for ion beam implanters | Electricity | 59 | Expired |
| US6574125B2 | DC-DC converter and bi-directional DC-DC converter and method of controlling the same | Electricity | 57 | Expired |
| US5825140A | Radio-frequency type charged particle accelerator | Electricity | 56 | Expired |
| US5132544A | System for irradiating a surface with atomic and molecular ions using two dimensional magnetic scanning | Electricity | 53 | Expired |
| US6160262A | Method and apparatus for deflecting charged particles | Electricity | 48 | Expired |
| US5003183A | Ion implantation apparatus and method of controlling the same | Electricity | 47 | Expired |
| US6136386A | Method of coating polymer or glass objects with carbon films | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5935391A | Method of manufacturing a tube having a film on its inner peripheral surface and apparatus for manufacturing the same | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6165376A | Work surface treatment method and work surface treatment apparatus | Chemistry; Metallurgy | 43 | Expired |
| US6503579B1 | Plasma CVD method, plasma CVD apparatus, and electrode | Electricity | 40 | Expired |
| US4683149A | Film forming process | Chemistry; Metallurgy | 39 | Expired |
| US6465057B1 | Plasma CVD method and apparatus | Electricity | 37 | Expired |
| US4586342A | Dehumidifying and cooling apparatus | Electricity | 37 | Expired |
| US5685363A | Substrate holding device and manufacturing method therefor | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4759681A | End station for an ion implantation apparatus | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6564744B2 | Plasma CVD method and apparatus | Electricity | 34 | Expired |
| US5009923A | Method of forming diamond film | Chemistry; Metallurgy | 33 | Expired |
| US6893720B1 | Object coated with carbon film and method of manufacturing the same | Emerging Cross-Sectional Technologies | 32 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.