Koji Kimura
199Patents
25h-index
165Co-inventors
93Inventor score
Filing activity: Oct 7, 1988 → Jun 3, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5126615A | Piezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive film | Electricity | 90 | 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 |
| US5937377A | Method and apparatus for utilizing noise reducer to implement voice gain control and equalization | Physics | 59 | Expired |
| US5691593A | Piezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive film | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5691594A | Piezoelectric/electrostricitve element having ceramic substrate formed essentially of stabilized zirconia | Electricity | 50 | Expired |
| US6457361B1 | Mass sensor and mass sensing method | Physics | 49 | Expired |
| US6584660B1 | Method of manufacturing a piezoelectric device | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5512793A | Piezoelectric and/or electrostrictive actuator having dummy cavities within ceramic substrate in addition to pressure chambers, and displacement adjusting layers formed aligned with the dummy cavities | Performing Operations; Transporting | 48 | Expired |
| US5430344A | Piezoelectric/electrostrictive element having ceramic substrate formed essentially of stabilized zirconia | Electricity | 47 | Expired |
| US7126254B2 | Actuator element and device including the actuator element | Physics | 45 | Expired |
| US6333681A | Piezoelectric/electrostrictive device | Electricity | 42 | Expired |
| US5281888A | Piezoelectric/electrostrictive element having auxiliary electrode disposed between piezoelectric/electrostrictive layer and substrate | Electricity | 41 | Expired |
| US5594292A | Piezoelectric device | Performing Operations; Transporting | 40 | Expired |
| US6263552A | Method of producing piezoelectric/electrostrictive film-type element | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5852337A | Piezoelectric film-type element | Electricity | 36 | Expired |
| USD422631S | Portable printer | General | 35 | Expired |
| US6246156A | Piezoelectric/electrostrictive element | Physics | 34 | Expired |
| US5011732A | Glass ceramic substrate having electrically conductive film | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5504388A | Piezoelectric/electrostrictive element having electrode film(s) with specified surface roughness | Electricity | 33 | Expired |
| US5622748A | Method of fabricating a piezoelectric/electrostrictive actuator | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6407481B1 | Piezoelectric/electrostrictive device having convexly curved diaphragm | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5681410A | Method of producing a piezoelectric/electrostrictive actuator | Electricity | 30 | Expired |
| US6472799B2 | Piezoelectric/electrostrictive device and method of manufacturing same | Electricity | 27 | Expired |
| US6326563A | Mass sensor and mass sensing method | Physics | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.