Naoki Tsukamura
3Patents
3h-index
12Co-inventors
40Inventor score
Filing activity: Jun 26, 1989 → Aug 22, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5111539A | Toilet device with system for inspecting health conditions | Human Necessities | 222 | Expired |
| US5184359A | Stool-type apparatus for sampling and assay of urine with swingable carriage | Human Necessities | 216 | Expired |
| US5398348A | Water urinal | Emerging Cross-Sectional Technologies | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.