Der'E Jan
3Patents
3h-index
10Co-inventors
43Inventor score
Filing activity: Jul 7, 1994 → Jan 11, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5531900A | Modification of polyvinylidene fluoride membrane and method of filtering | Performing Operations; Transporting | 109 | Expired |
| US6287983A | Selective nitride etching with silicate ion pre-loading | Electricity | 5 | Expired |
| US6228741A | Method for trench isolation of semiconductor devices | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.