Shoji Oyama
8Patents
4h-index
10Co-inventors
54Inventor score
Filing activity: May 25, 1977 → Oct 5, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4114916A | Hand truck | Performing Operations; Transporting | 13 | Expired |
| US6140727A | Pulse signal generator | Physics | 9 | Expired |
| US6160322A | Pulse signal generation method and apparatus | Physics | 7 | Expired |
| US5458455A | Apparatus for stacking cartridge shell plates of a photographic film cartridge | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6259248A | Motion detection by pulse signal generation | Electricity | 3 | Expired |
| US9052185B2 | Rotation detecting device | Physics | 2 | Active |
| US9281729B2 | Motor unit | Electricity | 2 | Active |
| US10209096B2 | Rotation detecting device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.