Holger Hinkel
15Patents
10h-index
28Co-inventors
68Inventor score
Filing activity: Nov 11, 1976 → Mar 17, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4624048A | Method of making magnetic head sliders | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4732646A | Method of forming identically positioned alignment marks on opposite sides of a semiconductor wafer | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4692832A | Method for lowering the frictional coefficient of the magnetic head-disk interface in a lubricated magnetic disk storage system | Physics | 27 | Expired |
| US4549238A | Magnetic head slider of ceramic material | Physics | 27 | Expired |
| US4583145A | Apparatus comprising a lubricant-coated magnetic disc and a magnetic head, and method of making said apparatus | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4598017A | Composite magnetic disk with Si and SiC substrate | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4386968A | Method of making semiconductor device structures by means of ion implantation under a partial pressure of oxygen | Electricity | 19 | Expired |
| US4415942A | Magnetic disk substrate of fiber-reinforced plastic | Physics | 14 | Expired |
| US4689260A | Abrasion-resistant magnetic recording disk | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4461237A | Plasma reactor for etching and coating substrates | Electricity | 12 | Expired |
| US4724392A | System for testing magnetic head/disk interfaces | Physics | 8 | Expired |
| US4288716A | Ion source having improved cathode | Electricity | 6 | Expired |
| US4710424A | Magnetic disk and method of making same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4105924A | Apparatus for making a rastered photoconductive layer | Chemistry; Metallurgy | 2 | Expired |
| US4415634A | Magnetic disk substrate with a core of synthetic material | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.