Hiraku Abe
11Patents
7h-index
10Co-inventors
55Inventor score
Filing activity: Jul 19, 1984 → Sep 19, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4806751A | Code wheel for a reflective type optical rotary encoder | Physics | 125 | Expired |
| US4644156A | Code wheel for reflective optical rotary encoders | Physics | 112 | Expired |
| US5087879A | Construction for adjustably mounting sensor portion of magnetic rotation sensor and method of adjusting gap between sensor and rotating drum | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4707062A | Star-shaped coupler | Physics | 13 | Expired |
| US5081756A | Methods for assembling and adjusting a magnetic encoder device | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4845456A | Magnetic sensor | Electricity | 8 | Expired |
| US4727356A | Optical rotary encoder | Electricity | 8 | Expired |
| US4661697A | Optically reflecting code plate | Physics | 6 | Expired |
| US4959574A | Precision Gap Magnetic Encode Device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4894533A | Optical rotary encoder | Physics | 6 | Expired |
| US4780610A | Optical rotary encoder having superposed metal plate and shield plate | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.