Tadashi Ozaki
36Patents
12h-index
55Co-inventors
84Inventor score
Filing activity: Nov 27, 1974 → Jul 24, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6206409A | Air bag system | Performing Operations; Transporting | 44 | Expired |
| US5181417A | Pressure detecting device | Physics | 41 | Expired |
| US5373119A | Exhaust muffler for internal combustion engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6694826B2 | Device for detecting signal of sensing cells interconnected in a matrix | Performing Operations; Transporting | 18 | Expired |
| US5206467A | Muffler with a catalyst | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4403505A | Ignition range detector for internal combustion engine | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4100734A | Exhaust gas purification system for an internal combustion engine | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4149503A | Exhaust gas recirculation system for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4030464A | Fuel-air mixture heating device for use with internal combustion engine | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4221639A | Aluminium alloy cylinder and manufacturing method thereof | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4567755A | Ignition/misfire detector for an internal combustion engine | Physics | 12 | Expired |
| US4838116A | Crank | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4002025A | System for heating intake pipe of internal combustion engine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5844527A | Radar antenna | Electricity | 10 | Expired |
| US4960194A | Centrifugal clutch | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4537065A | Device for detection of abnormality in pressure detector for internal combustion engine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4574616A | Vibration detecting apparatus | Physics | 8 | Expired |
| US4476709A | Knock detecting apparatus for internal combusion engines | Physics | 8 | Expired |
| US4567751A | Knocking detection device in diesel engine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5001454A | Thin film resistor for strain gauge | Physics | 7 | Expired |
| US5447129A | Intake insulator | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6759604B2 | Seat load measuring system with zero point-adjusting capability | Performing Operations; Transporting | 7 | Expired |
| US4196706A | Exhaust gas recirculation system for internal combustion engine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4146986A | Device for supplying secondary air for purifying exhaust gases discharged from internal combustion engine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4438647A | Ignition range detector for internal combustion engines | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.