Yuichi Okada
17Patents
9h-index
24Co-inventors
72Inventor score
Filing activity: Aug 18, 1988 → Sep 14, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD683708S1 | Light emitting diode | General | 53 | Active |
| US7300500B2 | Adsorbent-formed object and an adsorbent unit | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4993353A | Automatic color change paint spray system | Performing Operations; Transporting | 21 | Expired |
| US5511630A | Power steering system | Performing Operations; Transporting | 21 | Expired |
| US6225005A | Lead-acid battery and producing method thereof | Emerging Cross-Sectional Technologies | 16 | Expired |
| USD682224S1 | Light emitting diode | General | 14 | Active |
| US6495288B2 | Lead-acid battery having tin in positive active material and silica in separator | Emerging Cross-Sectional Technologies | 14 | Expired |
| USD697642S1 | Light emitting diode | General | 14 | Active |
| US5593002A | Power steering system equipped with means for varying an assist torque thereof | Performing Operations; Transporting | 9 | Expired |
| US8779567B2 | Semiconductor device | Electricity | 4 | Active |
| US6620551B1 | Positive plate current collector for lead storage battery and lead storage battery comprising the same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6169386A | Method for charging lead-acid battery and charging apparatus using the method | Electricity | 1 | Expired |
| US9694833B2 | Disk brake and disk brake for railway vehicle | Mechanical Engineering; Lighting; Heating | 1 | Active |
| USRE47708E1 | Semiconductor device | General | 0 | Active |
| US11162552B2 | Friction pad assembly for disc brakes | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9117803B2 | Method for manufacturing a semiconductor device | Electricity | 0 | Active |
| US8759867B2 | Semiconductor light emitting device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.