Dirk Schumann
24Patents
6h-index
33Co-inventors
69Inventor score
Filing activity: Apr 29, 1998 → Dec 18, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD844123S1 | Water heater | General | 18 | Active |
| US6620724B1 | Low resistivity deep trench fill for DRAM and EDRAM applications | Electricity | 16 | Expired |
| USD802107S1 | Electric heater | General | 15 | Active |
| USD885541S1 | Convection heater | General | 15 | Active |
| USD652988S1 | Hand dryer | General | 6 | Expired |
| US6627940B1 | Memory cell arrangement | Electricity | 6 | Expired |
| USD840010S1 | Heater | General | 6 | Active |
| USD842975S1 | Convection heater | General | 5 | Active |
| US6835612B2 | Method for fabricating a MOSFET having a very small channel length | Electricity | 4 | Expired |
| US8079555B2 | Apparatus for setting the spacing of a free standing range from a floor | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7084043B2 | Method for forming an SOI substrate, vertical transistor and memory cell with vertical transistor | Electricity | 4 | Expired |
| US7866614B2 | Apparatus for setting the spacing of a free standing range from a floor | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7070966B2 | Method for obtaining polyhydroxyalkanoates (PHA) and the copolymers thereof | Chemistry; Metallurgy | 4 | Expired |
| US5913115A | Method for producing a CMOS circuit | Electricity | 4 | Expired |
| US6525363B1 | Integrated circuit configuration with at least one capacitor and method for producing the same | Electricity | 4 | Expired |
| US6720513B2 | Rotary switch configuration for a household appliance | Electricity | 3 | Expired |
| US6987295B2 | Trench capacitor and method for fabricating the trench capacitor | Electricity | 3 | Expired |
| US6998307B2 | Method for fabricating a storage capacitor | Electricity | 2 | Expired |
| US6387766B1 | Method for manufacturing an integrated circuit with low threshold voltage differences of the transistors therein | Electricity | 2 | Expired |
| US6977405B2 | Semiconductor memory with memory cells comprising a vertical selection transistor and method for fabricating it | Electricity | 1 | Expired |
| US6548350B2 | Method of fabricating an integrated circuit configuration with at least one capacitor | Electricity | 0 | Expired |
| US10053655B2 | Photoresist stripping using intelligent liquids | Chemistry; Metallurgy | 0 | Active |
| US8834643B2 | Method and composition for cleaning objects | Chemistry; Metallurgy | 0 | Active |
| US7074317B2 | Method for fabricating trench capacitors for large scale integrated semiconductor memories | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.