Masahiko Okuda
13Patents
5h-index
10Co-inventors
63Inventor score
Filing activity: Oct 16, 1997 → Feb 28, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6086616A | Prosthetic leg with extension auxiliary mechanism | Human Necessities | 69 | Expired |
| US7588604B2 | Prosthetic leg with knee braking function | Human Necessities | 27 | Expired |
| USD617460S1 | Adjustable adaptor for a prosthetic leg | General | 13 | Expired |
| US6558430B1 | Air-cylinder apparatus for prosthetic limb | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5888237A | Artificial limb including air cylinder device | Human Necessities | 11 | Expired |
| US9089443B2 | Multi-articulated link knee joint | Human Necessities | 5 | Active |
| US8500824B2 | Knee joint including manual lock mechanism and artificial thigh | Human Necessities | 3 | Active |
| US7344569B2 | Closed position maintainable selector valve, knee torque device using the valve, and artificial leg | Emerging Cross-Sectional Technologies | 3 | Expired |
| US12042406B2 | Multi-articulated link knee joint | Human Necessities | 0 | Active |
| US11413166B2 | Prosthetic leg knee joint, braking device, and load position detector | Human Necessities | 0 | Active |
| US11058558B2 | Multi-articulated link knee joint | Human Necessities | 0 | Active |
| US10893958B2 | Multi-articulated link knee joint | Human Necessities | 0 | Active |
| US8529634B2 | Prosthetic limbs with means capable of reducing torque in the initial period of bend of knee joint | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.