Akio Murata
39Patents
13h-index
43Co-inventors
81Inventor score
Filing activity: Feb 17, 1982 → Nov 18, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7047088B2 | Management system for devices connecting with network | Physics | 268 | Expired |
| US4943882A | Thin-film, perpendicular magnetic recording and reproducing head | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4855854A | Thin-film magnetic head | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5960208A | Data communication adapter for selectively supplying power to a communication control circuit or a portable terminal unit | Physics | 40 | Expired |
| US5225953A | Magnetic thin film head of a single magnetic pole for perpendicular recording and reproduction | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5661634A | Information processing system using portable terminal unit and data communication adapter therefor | Physics | 36 | Expired |
| US5256850A | Azimuth adjusting method for magnetic head | Electricity | 35 | Expired |
| US5341256A | Rotary head adjuster | Physics | 23 | Expired |
| US5175869A | Automatic data transmission system | Electricity | 22 | Expired |
| US5347415A | Head height adjustment method including a synchronized rotating laser beam optical axis | Physics | 19 | Expired |
| US5537276A | Magnetic head installed on a rotary drum and method for adjusting the head height | Physics | 17 | Expired |
| US7016740B2 | Management system for devices connecting with network | Physics | 15 | Expired |
| US5978186A | Magnetic head and reproducing apparatus with head having central core with winding thereabout and wire therethrough | Physics | 14 | Expired |
| US4953051A | Composite magnetic head | Physics | 13 | Expired |
| US5303108A | Magnetic head device | Physics | 11 | Expired |
| US6028748A | Magnetic head apparatus including a quarter wavelength transmission line | Physics | 10 | Expired |
| US5983290A | Information processing system using portable terminal unit and data communication adapter therefor | Physics | 6 | Expired |
| US6538843B1 | Magnetic head | Physics | 6 | Expired |
| US4604547A | Deflection system for a two electron beam cathode ray tube | Electricity | 4 | Expired |
| US6795263B2 | Magnetic head | Physics | 3 | Expired |
| US5854737A | Information processing system using portable terminal unit and data communication adapter having biased connector | Physics | 3 | Expired |
| US4517771A | Elongated annular vibratory barrel finishing apparatus having unbalanced weights controlled by an electronic processor | Performing Operations; Transporting | 3 | Expired |
| US7145331B2 | Magnetic sensor having a closed magnetic path formed by soft magnetic films | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6349102B1 | Data transmission method by polling and terminal apparatus for use in the method | Electricity | 2 | Expired |
| US7916329B2 | Print job management device, print job management method and recording medium | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.