Shigemitsu Hamajima
13Patents
7h-index
20Co-inventors
62Inventor score
Filing activity: Jun 3, 1977 → Sep 1, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4931937A | Distance detector mounted on vehicle | Physics | 119 | Expired |
| US4942533A | Mobile range finder | Physics | 38 | Expired |
| US4365565A | Control apparatus for automatic embroidery sewing machine | Physics | 33 | Expired |
| US4280420A | Automatic embroidery sewing machine | Textiles; Paper | 20 | Expired |
| US4499542A | Automatic transmission control system with reset | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4363973A | Safety circuit of automatic transmission control system | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4325313A | Automatic embroidery sewing machine | Textiles; Paper | 12 | Expired |
| US4161921A | Motor control system for sewing machine | Textiles; Paper | 7 | Expired |
| US4714804A | Rotary switch having rotary contacts with an amorphous alloy coating | Electricity | 7 | Expired |
| US4161919A | Motor control system for sewing machine | Electricity | 2 | Expired |
| US4172989A | Speed control device for a sewing machine | Emerging Cross-Sectional Technologies | 0 | Expired |
| US4161920A | Motor control system for one stitch sewing control of a sewing machine | Electricity | 0 | Expired |
| US4790795A | Connection construction of turning angle detector | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.