Kazumasa Yasuda
22Patents
9h-index
31Co-inventors
75Inventor score
Filing activity: Dec 22, 1975 → Aug 10, 2018
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 |
| US8767347B1 | Magnetic head for perpendicular magnetic recording having two side shields | Physics | 59 | Active |
| US5763108A | High saturtion magnetization material and magnetic head fabricated therefrom | Emerging Cross-Sectional Technologies | 50 | Expired |
| US8289649B2 | Magnetic head for perpendicular magnetic recording with shield around main magnetic pole | Emerging Cross-Sectional Technologies | 27 | Active |
| US8456968B1 | Thermally-assisted magnetic recording head having dual heat sink layers | Physics | 19 | Active |
| US6960117B1 | Method to eliminate defects on the periphery of a slider due to conventional machining processes | Physics | 16 | Expired |
| US7239488B2 | MR sensor on an insulating substrate and method of manufacture | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8493821B1 | Thermally-assisted magnetic recording head including a shield | Physics | 11 | Active |
| 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 |
| US4123896A | Digital electronic timepiece | Physics | 8 | Expired |
| US9251812B2 | Magnetic head for perpendicular magnetic recording including angled side shield surfaces | Emerging Cross-Sectional Technologies | 6 | Active |
| US4126992A | Stem mechanism for a watch | Physics | 4 | Expired |
| US4104864A | Electronic timepiece | Physics | 4 | Expired |
| US7189150B2 | System and method for edge blending hard drive head sliders | Physics | 3 | Expired |
| US8454848B2 | Method of manufacturing plasmon generator | Physics | 3 | Active |
| US9495980B1 | Magnetic head for perpendicular magnetic recording with a coil including two coil portions | Physics | 3 | Active |
| US9406318B2 | Magnetic head for perpendicular magnetic recording including two side shields and main pole including lower protrusion | Emerging Cross-Sectional Technologies | 3 | Active |
| US7296336B2 | Method to protect a GMR head from electrostatic damage during the manufacturing process | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8900466B2 | Method of manufacturing a near-field light generator including a waveguide and a plasmon generator | Physics | 1 | Active |
| US7513820B2 | Method and apparatus for producing micro-texture on a slider substrate using chemical and mechanical polishing techniques | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7836579B2 | Method to protect a GMR head from electrostatic damage during the manufacturing process | Emerging Cross-Sectional Technologies | 0 | Active |
| US11502235B2 | Thermoelectric material and thermoelectric module | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.