Eastman Technology Inc.
23Patents
0Active
23Granted
31Portfolio score
Filing activity: Jan 10, 1974 → Oct 7, 1981
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4339775A | Fast frame rate augmentation | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4322752A | Fast frame rate sensor readout | Electricity | 43 | Expired |
| US4164770A | Thin film magnetoresistive head | Physics | 37 | Expired |
| US4325088A | Lap and dissolve in video cameras with VTR | Physics | 18 | Expired |
| US4277806A | Magnetic recording using recording media having temperature dependent coercivity | Physics | 17 | Expired |
| US3931638A | Apparatus for modifying the time base of signals | Electricity | 13 | Expired |
| US4330846A | Digital time base correction | Physics | 9 | Expired |
| US4342057A | Skew calculation using information recorded along a single timing track | Physics | 7 | Expired |
| US4090214A | Alternating line video recorder/reproducer | Electricity | 7 | Expired |
| US3932888A | Apparatus for modifying the time base of signals | Electricity | 6 | Expired |
| US3947874A | Apparatus for modifying the time base of signals | Electricity | 6 | Expired |
| US4134140A | Voltage mode amplifier for use with a high Q magnetic head | Electricity | 5 | Expired |
| US4412379A | Method of manufacturing a multitrack magnetic head employing double helix structure | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4410149A | Transport apparatus for use with a linear tape recorder | Physics | 3 | Expired |
| US4123790A | Magnetic head with mechanically isolated thin film sensor | Physics | 3 | Expired |
| US4137554A | Magnetic head employing flux interrogation | Physics | 2 | Expired |
| US4136370A | Magnetic film sensor | Physics | 2 | Expired |
| US4180832A | Video recording and reproducing apparatus having variable reproduction speeds | Physics | 2 | Expired |
| US4106028A | Method and apparatus for forming magnetic images by piezoelectric coupling between an optical image and a magnetostrictive imaging component | Physics | 2 | Expired |
| US4136371A | Magnetic head employing hard axis thin film inductor | Physics | 2 | Expired |
| US4316227A | Multitrack magnetic head employing double helix structure | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4314298A | Multitrack magnetic head employing double helix structure | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4256781A | Method of forming electrical components over magnetic images | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.