Michael Hoffmann
31Patents
9h-index
58Co-inventors
78Inventor score
Filing activity: Dec 17, 1979 → May 20, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4444887A | Process for making human antibody producing B-lymphocytes | Chemistry; Metallurgy | 307 | Expired |
| US8679520B2 | Coating of stents for preventing restenosis | Human Necessities | 53 | Active |
| US8597720B2 | Medical product for treating stenosis of body passages and for preventing threatening restenosis | Human Necessities | 26 | Active |
| US6974697B2 | Skin substitutes with improved barrier function | Chemistry; Metallurgy | 26 | Expired |
| US5840318A | Methods and compositions for modulating immune systems of animals | Chemistry; Metallurgy | 25 | Expired |
| US5442088A | Process for the preparation of phosphorus-containing L-amino acids, their derivatives and intermediates for this process | Chemistry; Metallurgy | 24 | Expired |
| US8916227B2 | Coating of the entire surface of endoprostheses | Human Necessities | 14 | Active |
| US7407805B2 | Skin substitutes with improved barrier function | Chemistry; Metallurgy | 10 | Expired |
| US7498167B2 | Keratinocytes expressing exogenous angiogenic growth factors | Chemistry; Metallurgy | 9 | Expired |
| US4811363A | Method for recovering a phase difference signal | Electricity | 9 | Expired |
| US7501238B2 | Skin substitutes for irritancy testing | Chemistry; Metallurgy | 9 | Expired |
| US7955790B2 | Skin substitutes with improved barrier function | Chemistry; Metallurgy | 9 | Active |
| US4843616A | Method of obtaining a phase difference signal | Electricity | 7 | Expired |
| US7676738B2 | Scenario-dependent evaluation formula | Physics | 7 | Active |
| US4473801A | Demodulator circuit with phase control loop | Electricity | 6 | Expired |
| US10427446B2 | Transfer film and method for producing a transfer film | Performing Operations; Transporting | 5 | Active |
| US4860320A | Method for recovering a control signal for controlling the phase of a local carrier signal | Electricity | 5 | Expired |
| US7915042B2 | Keratinocytes expressing exogenous angiogenic growth factors | Chemistry; Metallurgy | 4 | Active |
| US8784862B2 | Compounds and method for coating surfaces in a hemocompatible manner | Emerging Cross-Sectional Technologies | 4 | Active |
| US9192697B2 | Balloon catheter for treating stenosis of body passages and for preventing threatening restenosis | Human Necessities | 2 | Active |
| US11068681B2 | Verification of a security document | Physics | 1 | Active |
| US9968573B2 | Endoprosthesis having and active substance coating | Human Necessities | 1 | Active |
| US9243089B2 | Copolymer-modified nanoparticles, especially for use in medical articles | Emerging Cross-Sectional Technologies | 0 | Active |
| US8245126B2 | Scenario-dependent evaluation formula | Physics | 0 | Active |
| US11628141B2 | Method for producing an, in particular oral, active substance laminate, and active substance laminate, in particular oral active substance laminate | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.