Tsutomu Nanataki
224Patents
23h-index
80Co-inventors
93Inventor score
Filing activity: Mar 8, 1991 → Mar 13, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6690344B1 | Method and apparatus for driving device and display | Physics | 199 | 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 |
| US5767612A | Piezoelectric/electrostrictive film element with a diaphragm having at least one stress releasing end section | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5955392A | Zirconia ceramic green sheet | Electricity | 52 | Expired |
| US6049158A | Piezoelectric/electrostrictive film element having convex diaphragm portions and method of producing the same | Emerging Cross-Sectional Technologies | 51 | Expired |
| US5733499A | Method for producing ceramic substrate | Electricity | 49 | Expired |
| US5600197A | Piezoelectric/electrostrictive film element and method of producing the same | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5862275A | Display device | Emerging Cross-Sectional Technologies | 46 | Expired |
| US7126254B2 | Actuator element and device including the actuator element | Physics | 45 | Expired |
| US5940947A | Method of making a piezoelectric/electrostrictive film element with a diaphragm having at least one stress releasing end section | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6333681A | Piezoelectric/electrostrictive device | Electricity | 42 | Expired |
| US6263552A | Method of producing piezoelectric/electrostrictive film-type element | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6091182A | Piezoelectric/electrostrictive element | Physics | 34 | Expired |
| US7307383B2 | Electron emitter and method of producing the same | Electricity | 31 | Expired |
| US8815445B2 | Cathode active material for lithium secondary battery | Emerging Cross-Sectional Technologies | 29 | Active |
| US6472799B2 | Piezoelectric/electrostrictive device and method of manufacturing same | Electricity | 27 | Expired |
| US5545461A | Ceramic diaphragm structure having convex diaphragm portion and method of producing the same | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6476538B2 | Piezoelectric/electrostrictive device and method of manufacturing same | Electricity | 25 | Expired |
| US6028978A | Display device having a colored layer disposed between a displacement transmitting section and an optical waveguide plate | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6452583B1 | Display-driving device and display-driving method | Physics | 25 | Expired |
| US5350721A | Dielectric ceramic composition containing ZNO-B203-SI02 glass, method of preparing the same, and resonator and filter using the dielectric ceramic composition | Electricity | 24 | Expired |
| US5517076A | Zirconia diaphragm structure and piezoelectric/electrostrictive element incorporating same | Chemistry; Metallurgy | 24 | Expired |
| US6643902B2 | Piezoelectric/electrostrictive device and method of manufacturing same | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6323582A | Piezoelectric/Electrostrictive device | Electricity | 23 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.