Fujio Maeda
12Patents
4h-index
7Co-inventors
53Inventor score
Filing activity: Feb 19, 1982 → Oct 16, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4709594A | Planetary gear type transmission system | Mechanical Engineering; Lighting; Heating | 217 | Expired |
| US5805380A | Overcoat magnetic head slider having overcoat and magnetic disk device | Physics | 21 | Expired |
| US4448293A | Pressure-responsive control for a power train of the type having a torque converter equipped with a lockup clutch | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4765064A | Digital display type measuring instrument | Physics | 8 | Expired |
| US4658705A | Control system for hydraulic fluid pressure | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8797676B2 | Pressure-adjusting mechanism for hard disk drive device | Physics | 3 | Active |
| US9258007B2 | Scale of photoelectric encoder including base member having roughened surface and manufacturing method of scale | Physics | 2 | Active |
| US9310225B2 | Scale for photoelectric encoder | Physics | 2 | Active |
| US7916305B2 | Surface reflection encoder scale and surface reflection encoder using the same | Physics | 1 | Active |
| US10416002B2 | Light source device and photoelectric encoder including the same | Physics | 0 | Active |
| US9568300B2 | Induction type position measuring apparatus | Physics | 0 | Active |
| US9506778B2 | Linear encoder | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.