Hidekazu Yoshizawa
17Patents
8h-index
16Co-inventors
65Inventor score
Filing activity: Jan 21, 1993 → Mar 19, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6241921A | Heterogeneous display elements and methods for their fabrication | Physics | 535 | Expired |
| US5308723A | Thin metallic sheet for shadow mask | Electricity | 19 | Expired |
| US7324889B2 | Intake-air quantity control system of engine | Emerging Cross-Sectional Technologies | 17 | Active |
| US6453229B1 | Air-fuel ratio control device for internal combustion engine and method thereof | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6431131B1 | Apparatus and a method for sliding mode control | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5605582A | Alloy sheet having high etching performance | Electricity | 9 | Expired |
| US6708681B2 | Method and device for feedback controlling air-fuel ratio of internal combustion engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6390044B1 | Apparatus and method for fail-safe control of sliding mode control system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6450158B2 | Air-fuel ratio feedback control apparatus of internal combustion engine and method thereof | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6785601B2 | Air-fuel ratio control apparatus of internal combustion engine and method thereof | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6945224B2 | Intake air amount control apparatus for vehicle engine and method thereof | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6854262B2 | Air-fuel ratio control apparatus of internal combustion engine and method thereof | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6574544B1 | Apparatus and method of valve timing control for internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7458348B2 | Method and apparatus for controlling variable valve actuation device in internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US7188594B2 | Apparatus and method for controlling variable valve actuation mechanism | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US7280231B2 | Apparatus for determining wall thickness of microcapsule | Physics | 1 | Expired |
| US7623328B2 | Driving control apparatus for motion mechanism and control method of driving control apparatus | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.