Hidetoshi Maeda
18Patents
8h-index
15Co-inventors
69Inventor score
Filing activity: Aug 15, 1975 → Jul 21, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4055755A | Switching assembly in combination wristwatch and calculator | Electricity | 39 | Expired |
| US4090353A | Touch switch controlled time information correction with safety lock in an electronic wristwatch | Physics | 30 | Expired |
| US4120036A | Time information correction in combination timepiece and calculator | Physics | 29 | Expired |
| US4059956A | Touch type contactless switch structure for electronic wristwatches having insulative member precluding establishment of shunt path by foreign matter | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5142137A | Image sensor having clamp connecting sensing and driving components | Electricity | 22 | Expired |
| US4300204A | Time and date information correction in a combination timepiece and calculator utilizing a decimal point indicator display | Physics | 20 | Expired |
| US4091610A | Switching mechanism for electronic wristwatch | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4247929A | Switching mechanism for electronic wristwatch | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4254494A | Accuracy correction in an electronic timepiece | Physics | 8 | Expired |
| US4160923A | Touch sensitive electronic switching circuit for electronic wristwatches | Electricity | 8 | Expired |
| US4099074A | Touch sensitive electronic switching circuitry for electronic wristwatches | Physics | 6 | Expired |
| US4320529A | Frequency counting apparatus | Electricity | 6 | Expired |
| US4068463A | Reference signal frequency correction in an electronic timepiece | Physics | 3 | Expired |
| US4149368A | Electronic timepiece with negative resistance light emitting elements | Physics | 2 | Expired |
| US4270199A | Switching mechanism for electronic wristwatch | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4128993A | Zero adjustment in an electronic timepiece | Physics | 2 | Expired |
| US9765828B2 | Friction plate provided with core plate and manufacturing method therefor | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10094428B2 | Friction plate and wet multiple-plate clutch with friction plate | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.