Yutaka Okada
29Patents
10h-index
49Co-inventors
75Inventor score
Filing activity: Oct 21, 1974 → Feb 21, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7233137B2 | Power supply system | Electricity | 225 | Expired |
| US5418660A | Information processing apparatus for processing reproduction signal having nonlinear characteristics | Physics | 42 | Expired |
| US4258379A | IIL With in and outdiffused emitter pocket | Electricity | 28 | Expired |
| US5394792A | Bran-removing perforated cylindrical body of abrasive type grain milling machine | Performing Operations; Transporting | 21 | Expired |
| US5619268A | Motion estimation method and apparatus for calculating a motion vector | Physics | 19 | Expired |
| US4011727A | Movable cable plow for constructing underwater cable | Fixed Constructions | 17 | Expired |
| US5838827A | Apparatus and method for searching motion vector | Electricity | 17 | Expired |
| US5715016A | Motion estimation method and apparatus for calculating a motion vector | Physics | 13 | Expired |
| US5511469A | Abrasive type vertical grain milling machine | Performing Operations; Transporting | 12 | Expired |
| US5585862A | Motion estimation apparatus | Physics | 10 | Expired |
| US5395059A | Spacer for abrasive roll of abrasive type grain milling machine | Performing Operations; Transporting | 8 | Expired |
| US4429326A | I.sup.2 L Memory with nonvolatile storage | Electricity | 7 | Expired |
| US5413034A | Resistance member adjusting mechanism of abrasive type grain milling machine | Performing Operations; Transporting | 7 | Expired |
| US4246500A | Current mirror circuit | Physics | 6 | Expired |
| US4106998A | Method of restraining emission from coke quenching equipment | Chemistry; Metallurgy | 6 | Expired |
| US5859673A | Motion estimation method and apparatus for calculating a motion vector | Physics | 6 | Expired |
| US9634203B2 | Light emitting device, surface light source, liquid crystal display device, and method for manufacturing light emitting device | Electricity | 4 | Active |
| US8794777B2 | Light emitting device, surface illuminant, and display device | Electricity | 2 | Active |
| US6839063B2 | Memory access methods in a unified memory system | Physics | 2 | Expired |
| US4433258A | Complementary Schottky transistor logic circuit | Electricity | 2 | Expired |
| US11169557B2 | Semiconductor circuit having a depression-type NMOS transistor provided on a power supply side | Electricity | 0 | Active |
| US6745279B2 | Memory controller | Physics | 0 | Expired |
| US10848702B2 | Solid-state imaging device | Electricity | 0 | Active |
| US7995161B2 | Surface light source and liquid crystal display including the same | Physics | 0 | Active |
| US7355933B2 | Optical pickup device | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.