Atsushi Iijima
112Patents
15h-index
40Co-inventors
86Inventor score
Filing activity: Sep 16, 1991 → Jun 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8295008B1 | Magnetic head for perpendicular magnetic recording having a main pole and a shield | Physics | 60 | Active |
| US8749919B2 | Magnetic head for perpendicular magnetic recording with shield around main pole | Physics | 56 | Active |
| US8310787B1 | Thin-film magnetic head, method of manufacturing the same, head gimbal assembly, and hard disk drive | Physics | 49 | Active |
| US6163436A | Thin film magnet head with improved performance | Physics | 48 | Expired |
| US8477452B2 | Magnetic head for perpendicular magnetic recording having a tapered main pole | Physics | 46 | Active |
| US8493687B2 | Magnetic head for perpendicular magnetic recording with shield around main pole | Physics | 41 | Active |
| US8618646B2 | Layered chip package and method of manufacturing same | Electricity | 33 | Active |
| US6130805A | Thin film magnetic head having upper pole chip formed over insulating layer | Emerging Cross-Sectional Technologies | 29 | Expired |
| US8194511B2 | Heat-assisted magnetic recording head with near-field light generating element | Physics | 28 | Active |
| US8218264B1 | Magnetic head for perpendicular magnetic recording having a main pole and two shields | Physics | 27 | Active |
| US6353995B1 | Thin film mangetic head and method of manufacturing same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US8194510B2 | Heat-assisted magnetic recording head with near-field light generating element | Physics | 23 | Active |
| US7115048B2 | Iron head for a golf club | Human Necessities | 18 | Expired |
| US8012802B2 | Method of manufacturing layered chip package | Emerging Cross-Sectional Technologies | 16 | Active |
| US8416528B1 | Magnetic head for perpendicular magnetic recording having a return path section | Emerging Cross-Sectional Technologies | 16 | Active |
| US8345384B1 | Magnetic head for perpendicular magnetic recording having a main pole and a shield | Physics | 15 | Active |
| US8300357B1 | Magnetic head for perpendicular magnetic recording having a main pole and a shield | Physics | 14 | Active |
| US7067066B2 | Method of manufacturing thin film magnetic head | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8345382B1 | Magnetic head for perpendicular magnetic recording having a main pole and a shield and specifically structured and located coil elements and magnetic coupling layers | Physics | 13 | Active |
| US6400525B1 | Thin-film magnetic head and method of manufacturing same | Physics | 12 | Expired |
| US8274759B1 | Magnetic head for perpendicular magnetic recording having a main pole and a shield | Physics | 12 | Active |
| US8390955B1 | Thin-film magnetic head, method of manufacturing the same, head gimbal assembly, and hard disk drive | Emerging Cross-Sectional Technologies | 12 | Active |
| US8441755B2 | Magnetic head for perpendicular magnetic recording having a main pole, a shield and a coil core part setback away from the medium facing surface a specified distance | Emerging Cross-Sectional Technologies | 10 | Active |
| US7902677B1 | Composite layered chip package and method of manufacturing same | Electricity | 9 | Active |
| US6330743A | Thin film magnetic head and method of manufacturing the same | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.