Hidekazu Aoki
12Patents
4h-index
16Co-inventors
57Inventor score
Filing activity: Mar 18, 1975 → Jun 26, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4692583A | Surface heat treating apparatus | Performing Operations; Transporting | 27 | Expired |
| US5868517A | Spline arrangement for shaft coupling structure | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6626763B2 | Drive shaft | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6514147B2 | Flexible shaft coupling for vehicles | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US8628250B2 | Support device for supporting propeller shaft and propeller shaft itself | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US6388237B1 | Heater cable in combination with a lead cable | Electricity | 2 | Expired |
| US3985390A | Tunnel excavator | Fixed Constructions | 1 | Expired |
| US9605716B2 | Propeller shaft and yoke structure of universal joint used for the propeller shaft | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9334904B2 | Propeller shaft and yoke structure of universal joint used for the propeller shaft | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10378591B2 | Propeller shaft and yoke structure of universal joint used for the propeller shaft | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9850959B2 | Propeller shaft and yoke structure of universal joint used for the propeller shaft | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10690192B2 | Propeller shaft and yoke structure of universal joint used for the propeller shaft | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.