Ken Ikeda
8Patents
6h-index
15Co-inventors
60Inventor score
Filing activity: Jul 6, 1987 → Sep 16, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4800577A | GPS receiver | Electricity | 25 | Expired |
| US5689525A | Direct-sequence spread-spectrum communication system | Electricity | 22 | Expired |
| US5081462A | Method of deriving phase of pseudo-random code signal in global positioning system receiver | Physics | 20 | Expired |
| US5563608A | Position measuring system and method therefor | Physics | 19 | Expired |
| US5583852A | Wireless data communication system | Electricity | 13 | Expired |
| US7249110B1 | Individual authentication method, individual authentication apparatus, accounting method, accounting apparatus | Physics | 8 | Expired |
| US7867881B2 | Method of manufacturing nitride semiconductor substrate | Electricity | 2 | Active |
| US8024622B2 | Abnormality detection frequency set when it is indicated that abnormality will occur | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.