Norbert Rau
10Patents
5h-index
21Co-inventors
62Inventor score
Filing activity: Dec 3, 1986 → Oct 16, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5247377A | Process for producing anisotropic liquid crystal layers on a substrate | Chemistry; Metallurgy | 244 | Expired |
| US5023859A | Optical data storage apparatus and method utilizing an amorphous polymer which exhibits photochromic properties | Physics | 36 | Expired |
| US4996109A | Hard foam cores for laminates | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6067720A | Method for determining a torsional structure in the surface roughness of a finished shaft journal | Physics | 7 | Expired |
| US4763006A | Device determining surface element inclination angle for the optical detection of form errors of a low order | Physics | 5 | Expired |
| US6670405B1 | Method for producing block-shaped polymethacrylimide foamed materials | Chemistry; Metallurgy | 4 | Expired |
| US6873722B2 | Method of qualitatively ascertaining the position and degree of severity of chatter marks in a fine-machined surface of a workpiece | Physics | 4 | Expired |
| US6914683B1 | Measurement of small, periodic undulations in surfaces | Physics | 1 | Expired |
| US6106364A | Process for torque free outer circumference grinding of a cylindrical journal | Performing Operations; Transporting | 1 | Expired |
| US5324793A | Method for making polymethacrylimide polymers | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.