Hiromasa Takahashi
107Patents
14h-index
103Co-inventors
89Inventor score
Filing activity: Jun 16, 1988 → Nov 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6393561B1 | Disk drive computer with programmable nonvolatile memory capable of rewriting a control program of the disk drive | Physics | 51 | Expired |
| US4989062A | Semiconductor integrated circuit device having multilayer power supply lines | Electricity | 48 | Expired |
| US5481489A | Method of and apparatus for discriminating NaN | Physics | 45 | Expired |
| US5768559A | Multiple bank structured memory access device having flexible setting of a pipeline stage number | Physics | 36 | Expired |
| US6791792B2 | Magnetic field sensor utilizing anomalous hall effect magnetic film | Physics | 36 | Expired |
| US5584005A | Virtual memory address translation apparatus and method using link, auxiliary link and page tables | Physics | 33 | Expired |
| US8295006B2 | Magnetic sensor, magnetic head, and magnetic memory by using spin Hall devices | Emerging Cross-Sectional Technologies | 31 | Active |
| US6917088B2 | Magneto-resistive devices | Electricity | 30 | Expired |
| US7280322B2 | Magnetic sensor and magnetic head with the magnetic sensor | Physics | 20 | Expired |
| US7209328B2 | Magnetic read head and hard disk drive | Physics | 20 | Expired |
| US6937434B2 | Magnetic field sensor utilizing anomalous hall effect magnetic film | Physics | 17 | Expired |
| US7253995B2 | Magnetic head and magnetic recording/reproducing device | Physics | 16 | Expired |
| US6456466B1 | Magnetic head with shield layer having discontinuous multi-layer or mixed layer and magnetic recording apparatus utilizing the magnetic head | Physics | 15 | Expired |
| US8072713B2 | Magnetic reading head and magnetic recording apparatus | Electricity | 14 | Active |
| US11426882B2 | Gripping tool, gripping system, and method for manufacturing resin member | Performing Operations; Transporting | 14 | Active |
| US6876523B2 | Magnetic head, and the magnetic read-write devices, and the magnetic memory with magnetic sensors | Physics | 12 | Expired |
| US7443718B2 | Magnetic memory device | Physics | 11 | Active |
| US10338046B2 | Artificial olfactory sensing system | Physics | 11 | Active |
| US5551010A | Arithmetic operation unit and memory accessing device for accessing primary and secondary cache memories independently of a CPU | Physics | 10 | Expired |
| US8874879B2 | Vector processing circuit, command issuance control method, and processor system | Physics | 10 | Active |
| US7596014B2 | Semiconductor device | Physics | 10 | Active |
| US5586282A | Memory system employing pipeline process for accessing memory banks | Physics | 10 | Expired |
| US7969692B2 | Magnetic reading head with first and second element units each including a ferromagnetic layer and each with a different spin-polarization | Electricity | 10 | Active |
| US8238064B2 | Magnetic head and magnetic recording apparatus | Physics | 9 | Active |
| US6870718B2 | Magnetoresistive sensor including magnetic domain control layers having high electric resistivity | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.