Kunihiro Arai
10Patents
4h-index
9Co-inventors
53Inventor score
Filing activity: Oct 24, 1991 → Nov 29, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5770958A | Periodic waveform generating circuit | Electricity | 54 | Expired |
| US5151757A | Heterojunction field-effect transistor | Electricity | 14 | Expired |
| US5825048A | Semiconductor functional device and electronic circuit provided with the same | Electricity | 12 | Expired |
| US7415910B2 | Continuous screw tightening machine | Performing Operations; Transporting | 7 | Expired |
| USD440137S | Screw driving attachment | General | 4 | Expired |
| US10569397B2 | Successive screw fastener | Performing Operations; Transporting | 4 | Active |
| USD782257S1 | Peeler for fruits and vegetables | General | 0 | Active |
| US10737372B2 | Successive screw tightening machine and screw rope for use therewith | Performing Operations; Transporting | 0 | Active |
| US10364574B2 | Continuous screw tightening machine with washer stacking supply mechanism | Fixed Constructions | 0 | Active |
| US11135708B2 | Screw feeding/fastening unit of continuous screw fastening device | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.