Yasuhiro Shimizu
117Patents
13h-index
108Co-inventors
89Inventor score
Filing activity: Apr 8, 1975 → Nov 30, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8102138B2 | Electric power steering apparatus and method of assembling the same | Electricity | 865 | Active |
| US5377484A | Device for detecting deterioration of a catalytic converter for an engine | Emerging Cross-Sectional Technologies | 87 | Expired |
| US4634600A | Surface treatment process | Chemistry; Metallurgy | 56 | Expired |
| US5417058A | Device for detecting deterioration of a catalytic converter for an engine | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5706769A | OHC engine | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5301501A | Device for determining deterioration of a catalytic converter for an engine | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4769070A | High toughness cermet and a process for the production of the same | Chemistry; Metallurgy | 25 | Expired |
| US5359853A | Device for detecting deterioration of a catalytic converter for an engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6658353B2 | VEHICLE NAVIGATION APPARATUS PROVIDING RAPID CORRECTION FOR EXCESSIVE ERROR IN DEAD RECKONING ESTIMATES OF VEHICLE TRAVEL DIRECTION BY DIRECT APPLICATION OF POSITION AND DIRECTION INFORMATION DERIVED FROM GPS POSITION MEASUREMENT DATA | Physics | 22 | Expired |
| US5279116A | Device for determining deterioration of a catalytic converter for an engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5303548A | Device for determining deterioration of a catalytic converter for an engine | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4683543A | Time-based interpolation control of a robot | Physics | 17 | Expired |
| US5320433A | Rolling contact bearing assembly | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4474849A | Coated hard alloys | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6705263B2 | Handheld type four-cycle engine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US9939404B2 | CO sensor having electromotive force response | Physics | 11 | Active |
| US5752775A | Roller bearing | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6547443B2 | Tapered roller bearing | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US8775080B2 | Destination estimating apparatus, navigation system including the destination estimating apparatus, destination estimating method, and destination estimating program | Physics | 11 | Active |
| US4933200A | Processing method for meat | Human Necessities | 10 | Expired |
| US6508224B2 | Handheld type four-cycle engine | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5204031A | Powder of oxide for dielectric ceramics and a process for producing dielectric ceramics | Chemistry; Metallurgy | 10 | Expired |
| US4664048A | Zigzag sewing machine with fabric-edge tracing function | Textiles; Paper | 10 | Expired |
| US8150616B2 | Navigation apparatus and program storage medium | Physics | 9 | Active |
| US5237645A | Printing apparatus | Physics | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.