Keita Ohtani
3Patents
2h-index
2Co-inventors
27Inventor score
Filing activity: Aug 29, 2000 → May 12, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6703645B2 | Spin filter | Electricity | 31 | Expired |
| US6476411B1 | Intersubband light emitting element | Electricity | 18 | Expired |
| US6812483B2 | Optical semiconductor element utilizing optical transition between ZnO heterostructure sub-bands | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.