Paul Deigner
19Patents
9h-index
38Co-inventors
68Inventor score
Filing activity: Dec 23, 1974 → Dec 10, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4201149A | Apparatus for spin coating in the production of thin magnetic layers for magnetic discs | Physics | 33 | Expired |
| US4271234A | Iron oxide magnetic pigments for the production of magnetic coatings | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4327139A | Rigid magnetic recording disk having perfluoropolyether lubricant | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4017303A | Manufacture of acicular ferromagnetic metal pigments containing iron | Chemistry; Metallurgy | 19 | Expired |
| US3993807A | Activation of substrates for electroless metallization with zero valent palladium complex | Chemistry; Metallurgy | 19 | Expired |
| US4717091A | Tape cassette, in particular a video tape cassette, and a pressure spring therefor | Physics | 17 | Expired |
| US4169912A | Iron oxide magnetic pigments for the production of magnetic coatings | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4003336A | Device for the magnetic orientation of magnetic recording media | Physics | 10 | Expired |
| US3959032A | Magnetic materials with exchange anisotropy and process for their manufacture | Electricity | 9 | Expired |
| US3984763A | Device for the non-destructive measurement of the remanent flux density of magnetic recording media, especially magnetic discs | Physics | 8 | Expired |
| US3961990A | Manufacture of magnetic materials which exhibit exchange anisotropy | Electricity | 8 | Expired |
| US4177317A | Stabilization of chromium dioxide magnetic pigments | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4272563A | Manufacture of magnetic recording media having a wear-resistant surface | Physics | 6 | Expired |
| US4133911A | Manufacture of magnetic discs | Physics | 5 | Expired |
| US4382244A | Device for magnetically orienting the magnetizable particles or magnetic recording media in a preferred direction | Physics | 5 | Expired |
| US4275114A | Magnetic recording medium and method of stabilization of chromium dioxide magnetic pigments | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4423454A | Magnetic recording disk | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4128672A | Process of making a magnetic recording medium | Electricity | 3 | Expired |
| US4201486A | Process for the manufacture of magnetic recording media | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.