Shigeo Matsushita
11Patents
9h-index
16Co-inventors
69Inventor score
Filing activity: Oct 12, 1977 → Feb 5, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4318058A | Semiconductor diode laser array | Electricity | 191 | Expired |
| US4213677A | Light coupling and branching device using light focusing transmission body | Electricity | 67 | Expired |
| US4318059A | Semiconductor laser device having plural active regions | Electricity | 26 | Expired |
| US4265513A | Light switch | Physics | 16 | Expired |
| US4243398A | Method of producing dielectric diffraction gratings or dielectric multilayer interference filters | Physics | 14 | Expired |
| US4946337A | Parallel link robot arm | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5934148A | Wrist mechanism of industrial robot | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5669269A | Joint driving structure for industrial robot | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6065364A | Stopper for use in an industrial robot | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6285152A | Industrial robot | Performing Operations; Transporting | 3 | Expired |
| US10919147B2 | Parallel link robot and parallel link robot system | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.