Tomoyuki Tanaka
83Patents
16h-index
116Co-inventors
87Inventor score
Filing activity: Mar 15, 1974 → Jun 12, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5417312A | Semiconductor acceleration sensor and vehicle control system using the same | Physics | 103 | Expired |
| USD684598S1 | Hydraulic excavator | General | 67 | Active |
| US5453570A | Karaoke authoring apparatus | Emerging Cross-Sectional Technologies | 48 | Expired |
| USD684599S1 | Hydraulic excavator | General | 45 | Active |
| USD684607S1 | Operator cab for construction machine | General | 35 | Active |
| USD684600S1 | Hydraulic excavator | General | 34 | Active |
| USD685006S1 | Cover for operator cab interior for construction machine with console box | General | 32 | Active |
| USD752112S1 | Excavator | General | 31 | Active |
| USD681689S1 | Hydraulic excavator | General | 28 | Active |
| US5274541A | Parallel circuit module including a diode and an IGBT | Electricity | 23 | Expired |
| USD881288S1 | Robot toy | General | 22 | Active |
| USD681066S1 | Hydraulic excavator | General | 20 | Active |
| US4466009A | Light-activated semiconductor device with optic fiber moveable azimuthally and transversely | Physics | 20 | Expired |
| USD752651S1 | Excavator | General | 18 | Active |
| USD689529S1 | Console for construction machine | General | 17 | Active |
| US6711950B1 | Liquid level detector | Physics | 16 | Expired |
| US5179034A | Method for fabricating insulated gate semiconductor device | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD685007S1 | Seat for operator cab for construction machine | General | 14 | Active |
| US7287810B2 | Construction machine | Fixed Constructions | 13 | Expired |
| US7537074B2 | Construction machine | Fixed Constructions | 13 | Expired |
| US5285094A | Vertical insulated gate semiconductor device with less influence from the parasitic bipolar effect | Electricity | 13 | Expired |
| US5032532A | Method for fabricating insulated gate semiconductor device | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4935799A | Composite semiconductor device | Electricity | 12 | Expired |
| US5216587A | Inverter | Electricity | 10 | Expired |
| US4040084A | Semiconductor device having high blocking voltage with peripheral circular groove | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.