Seiichiro Nagai
11Patents
6h-index
13Co-inventors
59Inventor score
Filing activity: Jun 19, 1991 → May 31, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5818898A | X-ray imaging apparatus using X-ray planar detector | Electricity | 166 | Expired |
| US5345938A | Diagnostic apparatus for circulatory systems | Physics | 74 | Expired |
| US6453008B1 | Radiation detector noise reduction method and radiation detector | Electricity | 74 | Expired |
| US6208710A | X-ray diagnostic apparatus and radiation diagnostic apparatus | Human Necessities | 44 | Expired |
| US5666395A | X-ray diagnostic apparatus | Physics | 28 | Expired |
| US6696687B1 | Radiation detector | Electricity | 18 | Expired |
| US5652777A | Diagnostic X-ray apparatus | Electricity | 5 | Expired |
| US6285738A | High-definition still picture real-time display type x-ray diagnostic apparatus | Electricity | 5 | Expired |
| US5268757A | High speed imaging apparatus without lowering of dynamic range | Electricity | 3 | Expired |
| US7142637B2 | X-ray diagnosis apparatus | Electricity | 1 | Expired |
| US7248671B2 | X-ray diagnosis apparatus | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.