Yukinori Ikegawa
50Patents
9h-index
41Co-inventors
78Inventor score
Filing activity: May 5, 1995 → Sep 30, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5583726A | Magneto-resistive head using flux guide | Physics | 19 | Expired |
| US6510024B2 | Magnetic head and method of manufacturing the same | Physics | 17 | Expired |
| US8416528B1 | Magnetic head for perpendicular magnetic recording having a return path section | Emerging Cross-Sectional Technologies | 16 | Active |
| US9230568B1 | Magnetic head for perpendicular magnetic recording including a coil having an inclined front end face | Physics | 14 | Active |
| US6282776A | Magnetic head and method of manufacturing the same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US9502053B1 | Magnetic head for perpendicular magnetic recording with a trailing shield including a plurality of portions different in saturation flux density | Emerging Cross-Sectional Technologies | 10 | Active |
| US9218835B1 | Thermally-assisted magnetic recording head including a heat sink | Physics | 10 | Active |
| US6751052B1 | Thin film magnetic head with short lower magnetic pole piece | Physics | 9 | Expired |
| US6083410A | Thin film magnetic head and process for producing same | Physics | 9 | Expired |
| US8947986B1 | Heat sink for thermally assisted magnetic recording (TAMR) | Physics | 9 | Active |
| US9218827B1 | Thermally-assisted magnetic recording head including a return path section | Physics | 8 | Active |
| US5870262A | Magneto resistive effect type head having a stressed insulation layer | Physics | 8 | Expired |
| US6614620B2 | Thin film magnetic head | Emerging Cross-Sectional Technologies | 7 | Expired |
| US9489969B1 | Magnetic head including a main pole and a write shield to provide improved write characteristics without compromising the function of the write shield | Physics | 7 | Active |
| US5717630A | Magnetic memory device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6088908A | Method of making a head slider | Emerging Cross-Sectional Technologies | 6 | Expired |
| US9082422B2 | Magnetic head for perpendicular magnetic recording including a main pole and a write shield to provide improved write characteristics without compromising the function of the write shield | Physics | 6 | Active |
| US8691102B1 | Method of manufacturing plasmon generator | Physics | 6 | Active |
| US9336798B1 | Magnetic head for perpendicular magnetic recording including a main pole with a lower protrusion | Physics | 5 | Active |
| US8867169B2 | Magnetic head for perpendicular magnetic recording having a main pole and a shield | Emerging Cross-Sectional Technologies | 5 | Active |
| US8576674B2 | Plasmon generator including two portions made of different metals | Physics | 4 | Active |
| US8400884B1 | Method of manufacturing plasmon generator | Physics | 4 | Active |
| US11049516B1 | Near-field light generator and thermally-assisted magnetic recording head | Physics | 3 | Active |
| US6104575A | Planar thin-film magnetic head and manufacturing method therefor | Physics | 3 | Expired |
| US8461050B2 | Taper-etching method and method of manufacturing near-field light generator | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.