Naoki Itoh
23Patents
5h-index
39Co-inventors
69Inventor score
Filing activity: Jul 31, 1992 → Dec 23, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5289048A | Analog multiplexer circuit having an active load circuit functioning commonly for a plurality of bipolar differential amplifying input circuits | Electricity | 18 | Expired |
| US5736282A | Electrophotographic photoreceptors including titanyloxyphthalocyanine crystals | Chemistry; Metallurgy | 14 | Expired |
| US5874570A | Titanyloxyphthalocyanine crystals, and method of preparing the same | Physics | 8 | Expired |
| US5376024A | Terminal connecting device | Electricity | 6 | Expired |
| US5266058A | Terminal connecting device | Electricity | 5 | Expired |
| US5945243A | Photoconductor for electrophotography and method of manufacturing the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6846163B2 | Rotary fluid machine having rotor segments on the outer periphery of a rotor core | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6761143B1 | Coupling structure for expansion unit output shaft and driven-side transmission shaft | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6292037A | Output circuit of semiconductor integrated circuit | Electricity | 3 | Expired |
| US6959638B2 | Rotary hydraulic machine | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US10393143B2 | Compressor with annular diffuser having first vanes and second vanes | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10519812B2 | Turbine | Emerging Cross-Sectional Technologies | 2 | Active |
| US5966007A | Current source circuit | Physics | 2 | Expired |
| US9978497B2 | Wound magnetic core and method of producing the same | Electricity | 2 | Active |
| US7934050B2 | Microcomputer for flash memory rewriting | Physics | 1 | Active |
| US7901268B2 | Method for grinding journal section of workpiece | Performing Operations; Transporting | 1 | Active |
| US6759174B2 | Photoconductor for electrophotography and manufacturing method thereof | Physics | 0 | Expired |
| US5999036A | Output circuit with output voltage controlled by current flow through an output transistor circuit | Electricity | 0 | Expired |
| US7000394B2 | Rankine cycle device | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7780877B2 | High-frequency substrate and production method therefor | Emerging Cross-Sectional Technologies | 0 | Active |
| US7367783B2 | Rotating fluid machine | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US6218325A | Fiber-reinforced ceramic green body and sindered ceramic article obtained therefrom | Chemistry; Metallurgy | 0 | Expired |
| US11798718B2 | Soft magnetic alloy, soft magnetic alloy ribbon, method of manufacturing soft magnetic alloy ribbon, magnetic core, and component | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.