Spin Physics, Inc.
26Patents
0Active
26Granted
31Portfolio score
Filing activity: Sep 5, 1975 → Sep 5, 1980
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4338514A | Apparatus for controlling exposure of a solid state image sensor array | Electricity | 145 | Expired |
| US4039156A | Reel | Performing Operations; Transporting | 55 | Expired |
| US4299678A | Magnetic target plate for use in magnetron sputtering of magnetic films | Electricity | 43 | Expired |
| US4193098A | Segmented video playback apparatus with ancillary recording medium | Electricity | 38 | Expired |
| US4343026A | Magnetoresistive head employing field feedback | Physics | 37 | Expired |
| US4290087A | Coarse and fine control of segmented video playback apparatus with ancillary recording medium | Physics | 37 | Expired |
| US4324631A | Magnetron sputtering of magnetic materials | Chemistry; Metallurgy | 35 | Expired |
| US4287539A | Segmented video recording with segment identification codes | Electricity | 20 | Expired |
| US4318136A | Magnetic recording apparatus and method | Physics | 20 | Expired |
| US4256996A | Web transport system | Physics | 18 | Expired |
| US4158213A | Multitrack magnetic heads | Physics | 14 | Expired |
| US4101348A | Process for preparing hot-pressed sintered alloys | Electricity | 12 | Expired |
| US4251910A | Method of making multitrack magnetic heads | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4323934A | Dropout compensation circuitry | Physics | 10 | Expired |
| US4306215A | Thin magnetoresistive head | Electricity | 9 | Expired |
| US4322763A | Magnetic head having a controllable high-permeability tunnel within a low-permeability sleeve | Physics | 8 | Expired |
| US4227129A | Apparatus for detecting the speed of an electric motor | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4017899A | Single-track video ferrite record/reproduce head and manufacturing method therefor | Physics | 7 | Expired |
| US4084199A | High density multitrack magnetic head | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4334247A | Apparatus useful for converting asynchronous video information to synchronous video information | Physics | 5 | Expired |
| US4040110A | Video head assembly having discrete arcurate ceramic pieces on rotor between heads | Physics | 4 | Expired |
| US4346418A | High density multitrack magnetic head | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4346417A | Selectively actuable magnetic head | Physics | 2 | Expired |
| US4114259A | Method of making a high density multitrack magnetic head | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4330807A | Magnetic playback apparatus having immunity to skew | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.