Noriaki Kasahara
30Patents
7h-index
38Co-inventors
65Inventor score
Filing activity: Mar 2, 2000 → Apr 21, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6381107B1 | Magneto-resistive tunnel junction head having a shield lead rear flux guide | Physics | 70 | Expired |
| US6344954B1 | Magneto-resistive tunnel junction head with specific flux guide structure | Physics | 37 | Expired |
| US6469879B1 | Magneto-resistive tunnel junction head with biasing elements abutting free layer extended portions | Physics | 36 | Expired |
| US7287316B2 | Lapping monitor device, system and method | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6886239B2 | Method of making a thin-film magnetic head having a magnetoresistive device | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7848056B2 | Thin film magnetic head having thermal expansion layer for suppressing thermal protrusion | Physics | 9 | Active |
| US7190559B2 | Thin-film magnetic head having the length of the pinned and antiferromagnetic layers greater than the width dimension thereof and/or the length of the free layer | Physics | 7 | Expired |
| US8000064B2 | Thin-film magnetic head for perpendicular magnetic recording and method of making the same | Emerging Cross-Sectional Technologies | 7 | Active |
| US6671141B2 | Tunnel magnetoresistive effective element, a thin film magnetic head, a magnetic head device and a magnetic disk drive device | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6822837B2 | Thin-film magnetic head and method of manufacturing same, and method of forming a patterned thin film for a thin-film magnetic head | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7542245B2 | Composite thin-film magnetic head with non-magnetic conductive layer to balance parasitic capacitances | Physics | 4 | Active |
| US7274539B2 | Composite type thin film magnetic head having a low parasitic capacitance between a write coil and an upper read head shield | Physics | 4 | Expired |
| US7796359B2 | Magnetic head for perpendicular magnetic recording and method of manufacturing the same, the magnetic head including pole layer and two shields sandwiching the pole layer | Physics | 3 | Active |
| US6656538B2 | Method of manufacturing magnetoresistive device, method of manufacturing thin film magnetic head, and method of forming thin film pattern | Physics | 3 | Expired |
| US7548400B2 | Thin-film magnetic head comprising bias layers having a large length in track width direction | Physics | 3 | Expired |
| US7948716B2 | Magnetic head for perpendicular magnetic recording with a shield and a pole layer having a top surface with first and second portions at different heights, and method of manufacturing same | Physics | 3 | Active |
| US7436633B2 | Thin-film magnetic head, head gimbal assembly and hard disk system | Physics | 3 | Active |
| US7787215B2 | Thin film magnetic head in which thermal protrusion is suppressed and method of forming the same | Physics | 2 | Active |
| US7843667B2 | Thin film magnetic head, head gimbal assembly, head arm assembly and magnetic disk device | Physics | 2 | Active |
| US7808743B2 | Perpendicular magnetic write head having a structure that suppresses unintended erasure of information on a write medium at a non-writing time | Physics | 2 | Active |
| US7057260B2 | Method of making thin-film magnetic head | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6792670B2 | Method of manufacturing a magnetoresistive element substructure | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7398591B2 | Manufacturing method of a thin-film magnetic head | Emerging Cross-Sectional Technologies | 1 | Active |
| US7672084B2 | Composite thin-film magnetic head with non-magnetic conductive layer electrically connected with lower pole layer to increase counter electrode area | Physics | 1 | Active |
| US7192676B2 | Magneto-resistance effect element bar exposure method | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.