Yukihisa Takeuchi
353Patents
39h-index
151Co-inventors
93Inventor score
Filing activity: Feb 20, 1974 → May 2, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6690344B1 | Method and apparatus for driving device and display | Physics | 199 | Expired |
| US5475279A | Piezoelectric/electrostrictive actuator having integral ceramic base member and film-type piezoelectric/electrostrictive element (S) | Performing Operations; Transporting | 146 | Expired |
| US5126615A | Piezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive film | Electricity | 90 | Expired |
| US6051171A | Method for controlling firing shrinkage of ceramic green body | Electricity | 89 | Expired |
| US5753160A | Method for controlling firing shrinkage of ceramic green body | Chemistry; Metallurgy | 81 | Expired |
| US5376857A | Piezoelectric device | Performing Operations; Transporting | 80 | Expired |
| US5210455A | Piezoelectric/electrostrictive actuator having ceramic substrate having recess defining thin-walled portion | Electricity | 78 | Expired |
| US6249370A | Display device | Physics | 75 | Expired |
| US5767612A | Piezoelectric/electrostrictive film element with a diaphragm having at least one stress releasing end section | Emerging Cross-Sectional Technologies | 70 | Expired |
| US4516993A | Carbon particulates cleaning device | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4448833A | Porous ceramic body and a method of manufacturing the same | Emerging Cross-Sectional Technologies | 64 | Expired |
| US5670999A | Ink jet print head having members with different coefficients of thermal expansion | Performing Operations; Transporting | 61 | Expired |
| US4450682A | Carbon particulates cleaning device for diesel engine | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4505726A | Exhaust gas cleaning device | Emerging Cross-Sectional Technologies | 59 | Expired |
| US4535588A | Carbon particulates cleaning device for diesel engine | Mechanical Engineering; Lighting; Heating | 58 | Expired |
| US5691593A | Piezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive film | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5376856A | Piezoelectric/electrostrictive actuator having ceramic substrate with auxiliary windows in addition to pressure chamber windows | Electricity | 54 | Expired |
| US5955392A | Zirconia ceramic green sheet | Electricity | 52 | Expired |
| US5933170A | Ink jet print head | Performing Operations; Transporting | 52 | Expired |
| US6049158A | Piezoelectric/electrostrictive film element having convex diaphragm portions and method of producing the same | Emerging Cross-Sectional Technologies | 51 | Expired |
| US5691594A | Piezoelectric/electrostricitve element having ceramic substrate formed essentially of stabilized zirconia | Electricity | 50 | Expired |
| US5889351A | Device for measuring viscosity and device for measuring characteristics of fluid | Physics | 49 | Expired |
| US4605813A | Amorphous silicon solar battery | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6457361B1 | Mass sensor and mass sensing method | Physics | 49 | Expired |
| US5733499A | Method for producing ceramic substrate | Electricity | 49 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.