Chiemi Shimizu
17Patents
4h-index
20Co-inventors
56Inventor score
Filing activity: Sep 16, 2003 → Jan 29, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7456548B2 | Piezoelectric element, piezoelectric actuator, and ink jet recording head | Electricity | 9 | Active |
| US7399067B2 | Piezoelectric thin film, method of manufacturing piezoelectric thin film, piezoelectric element, and ink jet recording head | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7187024B2 | Piezoelectric element, ink jet recording head and method for manufacturing piezoelectric element | Electricity | 5 | Expired |
| US6884649B2 | Method for manufacturing piezoelectric film, piezoelectric element and ink jet recording head | Electricity | 4 | Expired |
| US8715823B2 | Piezoelectric thin film, method of manufacturing piezoelectric thin film, piezoelectric element, and ink jet recording head | Emerging Cross-Sectional Technologies | 3 | Active |
| US9343650B2 | Piezoelectric material, piezoelectric element, multilayered piezoelectric element, liquid ejection head, liquid ejection apparatus, ultrasonic motor, optical equipment, vibration apparatus, dust removing apparatus, imaging apparatus, and electronic equipment | Electricity | 2 | Active |
| US8227021B2 | Method of manufacturing piezoelectric thin film | Emerging Cross-Sectional Technologies | 2 | Active |
| US8704429B2 | Bismuth iron oxide powder, manufacturing method for the bismuth iron oxide powder, dielectric ceramics, piezoelectric element, liquid discharge head, and ultrasonic motor | Chemistry; Metallurgy | 1 | Active |
| US7036915B2 | Composition for forming piezoelectric film, producing method for piezoelectric film, piezoelectric element and ink jet recording head | Electricity | 1 | Expired |
| US7399066B2 | Piezoelectric element, ink jet recording head and producing method for piezoelectric element | Electricity | 1 | Expired |
| US7059709B2 | Composition for forming piezoelectric, method for producing piezoelectric film, piezoelectric element and ink jet recording head | Electricity | 1 | Expired |
| US11837975B2 | Piezoelectric material, piezoelectric element, and electronic equipment | Electricity | 0 | Active |
| US10865311B2 | Coating liquid for forming piezoelectric thin film, method of producing coating liquid for forming piezoelectric thin film, piezoelectric thin film, method of manufacturing piezoelectric thin film, and liquid ejection head | Electricity | 0 | Active |
| US9051191B2 | Bismuth iron oxide powder, manufacturing method for the bismuth iron oxide powder, dielectric ceramics, piezoelectric element, liquid discharge head, and ultrasonic motor | Chemistry; Metallurgy | 0 | Active |
| US11509244B2 | Piezoelectric material, piezoelectric element, and electronic equipment | Chemistry; Metallurgy | 0 | Active |
| US10790436B2 | Oriented piezoelectric film and method of manufacturing same, and liquid ejection head | Chemistry; Metallurgy | 0 | Active |
| US11489462B2 | Piezoelectric material, piezoelectric element, and electronic equipment | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.