Kazuhiro Nonaka
12Patents
6h-index
17Co-inventors
59Inventor score
Filing activity: Aug 29, 1996 → Mar 13, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7060371B2 | Mechanoluminescence material, producing method thereof, and usage thereof | Emerging Cross-Sectional Technologies | 41 | Expired |
| US6280655A | High-luminosity stress-luminescent material | Chemistry; Metallurgy | 28 | Expired |
| US6159394A | Stress emission material and its manufacturing method | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6608427B2 | High-sensitivity flexible ceramic sensor | Electricity | 9 | Expired |
| US6628375B2 | Method of and a system for measuring a stress or a stress distribution, using a stress luminescent material | Physics | 7 | Expired |
| US8076896B2 | Inverter controller and method for operating the same | Electricity | 6 | Active |
| US8599379B2 | Method for inspecting defects and defect inspecting apparatus | Electricity | 5 | Active |
| US7423395B2 | Sensorless vector control method for alternating-current motor and control apparatus therefor | Electricity | 3 | Expired |
| US9019498B2 | Method for inspecting defects, inspected wafer or semiconductor device manufactured using the same, method for quality control of wafers or semiconductor devices and defect inspecting apparatus | Electricity | 3 | Active |
| US6240786A | Two-layer structure composite material for detecting cracks | Physics | 2 | Expired |
| US7258817B2 | Mechanoluminescence material and process for producing the same | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9841450B2 | Static electricity distribution measuring apparatus and static electricity distribution measuring method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.