Kazuhiko Hayashi
159Patents
22h-index
181Co-inventors
93Inventor score
Filing activity: Mar 26, 1981 → May 20, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4969709A | Mechanism for bending elongated body | Physics | 114 | Expired |
| US4904048A | Mechanism for bending elongated body | Physics | 94 | Expired |
| US5904159A | Polishing slurries and a process for the production thereof | Chemistry; Metallurgy | 55 | Expired |
| US5766743A | Magnetoresistance effect film, a method of manufacturing the same, and magnetoresistance effect device | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4640871A | Magnetic material having high permeability in the high frequency range | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5912512A | Engine start control apparatus | Performing Operations; Transporting | 39 | Expired |
| US6090480A | Magnetoresistive device | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6542342B1 | Magnetoresistive effect transducer having longitudinal bias layer directly connected to free layer | Physics | 36 | Expired |
| US6555504B1 | Oxide superconducting wire having insulating coat and production method thereof | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4463822A | Cruise control system for automotive vehicle | Performing Operations; Transporting | 35 | Expired |
| US5849422A | Spin valve film | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5932343A | Magnetic resistance effect element and method for manufacture thereof | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6114850A | Magnetoresistance effect element, and magnetoresistance effect sensor and magnetic information recording and playback system using same | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5057380A | Soft magnetic thin films of alloys of FeCoNi or FeCoDy and laminates comprising alternate layers of face centered cubic and body centered cubic crystal structure | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7262064B2 | Magnetoresistive effect element, magnetic memory element magnetic memory device and manufacturing methods thereof | Electricity | 26 | Expired |
| US4688450A | Method and system for shift control in an automatic transmission for a vehicle | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5670933A | Antitheft apparatus and method for an automobile | Physics | 25 | Expired |
| US6538861B1 | MAGNETORESISTIVE HEAD HAVING FERROMAGNETIC TUNNEL JUNCTION FILM WITH A SMALLER RESISTANCE AT A TERMINAL PORTION THAN A CENTRAL PORTION, MAGNETIC RESISTANCE DETECTION SYSTEM WITH THE MAGNETORESISTIVE HEAD AND A MAGNETIC STORAGE SYSTEM USING IT | Electricity | 25 | Expired |
| US5447781A | Magnetoresistance film and method of manufacturing same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4421192A | Apparatus for running a vehicle at a constant speed | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US6144113A | Machine start controlling apparatus | Performing Operations; Transporting | 23 | Expired |
| US6724585B2 | Magnetoresistive element and device utilizing magnetoresistance effect | Physics | 23 | Expired |
| US4945481A | System for integrally controlling automatic transmission and engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6624987B1 | Magnetic head with a tunnel junction including metallic material sandwiched between one of an oxide and a nitride of the metallic material | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4841447A | System for controlling idling speed in internal combustion engine for vehicle with automatic transmission | Mechanical Engineering; Lighting; Heating | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.