James D. Johnston
6Patents
5h-index
8Co-inventors
56Inventor score
Filing activity: Aug 7, 1975 → Aug 15, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4068763A | Wrist joint assembly | Emerging Cross-Sectional Technologies | 50 | Expired |
| US4018409A | Combined docking and grasping device | Performing Operations; Transporting | 19 | Expired |
| US4273505A | Pneumatic inflatable end effector | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7611541B2 | Femoral implant for hip arthroplasty | Human Necessities | 9 | Active |
| US4122991A | Apparatus for assembling space structure | Performing Operations; Transporting | 5 | Expired |
| US12082847B2 | Implant for bone fracture stabilization | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.