Junko Hatta
3Patents
3h-index
8Co-inventors
36Inventor score
Filing activity: Mar 20, 1992 → Oct 5, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5255228A | Semiconductor memory device with redundancy circuits | Physics | 29 | Expired |
| US5391886A | Charged particle beam exposure system and method of exposing a pattern on an object by such a charged particle beam exposure system | Performing Operations; Transporting | 27 | Expired |
| US5194741A | Method for writing a pattern on an object by a focused electron beam with an improved efficiency | Electricity | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.