Hideaki Niwa
3Patents
3h-index
7Co-inventors
43Inventor score
Filing activity: Dec 18, 1981 → Aug 19, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6471691B1 | Ophthalmic treatment apparatus | Human Necessities | 34 | Expired |
| US5337106A | Liquid-crystal image director for single-lens-reflex camera | Physics | 15 | Expired |
| US4481666A | Reading-out apparatus | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.