Ryuhei Azuma
6Patents
2h-index
12Co-inventors
40Inventor score
Filing activity: Oct 15, 2008 → Jul 29, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10288837B2 | Medical observation device and lens barrel of medical observation device | Electricity | 12 | Active |
| US7878721B2 | Light amount adjuster, lens barrel, and image pickup device | Physics | 3 | Active |
| US7922404B2 | Diaphragm unit, light intensity adjusting device, lens barrel, and imaging apparatus | Physics | 1 | Active |
| US8038357B2 | Diaphragm unit, lens barrel, and imaging apparatus | Physics | 1 | Active |
| US10901197B2 | Medical observation device and lens barrel of medical observation device | Physics | 0 | Active |
| US8052340B2 | Imaging apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.