Hiroaki Itoh
25Patents
8h-index
31Co-inventors
75Inventor score
Filing activity: Dec 21, 1988 → Sep 4, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5306956A | Connecting system for supplying electrical power to a device in place of a battery along with the transmission of data signals from the device to monitoring apparatus, or supplying electrical power to a battery for the charging thereof | Electricity | 47 | Expired |
| US5170196A | Portable projector | Physics | 26 | Expired |
| US5183714A | Battery casing | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5241140A | Speaker diaphragm | Electricity | 16 | Expired |
| US4993053A | Charge transfer device provided with an improved output stage | Electricity | 16 | Expired |
| US6267148A | Conductive resin tube and conductive polyamide resin composition | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5405716A | Battery case and terminal cover | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7359649B2 | Infrared transmitter circuit and electronic device | Electricity | 10 | Expired |
| US6615952B2 | Double deck elevator | Performing Operations; Transporting | 7 | Expired |
| US5234502A | Microwave plasma chemical vapor deposition apparatus comprising an inclined rotating substrate holder | Chemistry; Metallurgy | 7 | Expired |
| US6710915B2 | Light amplifier device and optical pickup device employing it | Electricity | 4 | Expired |
| US7077240B2 | Covers between an upper cage and a lower cage of a double deck elevator | Performing Operations; Transporting | 4 | Expired |
| US8546684B2 | Organic photoelectric conversion element and organic photoelectric conversion element manufacturing method | Emerging Cross-Sectional Technologies | 3 | Active |
| US9941422B2 | Organic photoelectric conversion element and solar cell using the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US8664518B2 | Organic photoelectric conversion element and producing method of the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US7287624B2 | Double deck elevator | Performing Operations; Transporting | 1 | Expired |
| US7157684B2 | Receiving circuit for free-space optical communication | Electricity | 1 | Expired |
| US8912435B2 | Organic photoelectric conversion element | Emerging Cross-Sectional Technologies | 0 | Active |
| US8729387B2 | Organic photoelectric conversion element, solar cell and optical sensor array | Emerging Cross-Sectional Technologies | 0 | Active |
| US9882072B2 | Solar cell and transparent electrode | Emerging Cross-Sectional Technologies | 0 | Active |
| US9871216B2 | Organic photoelectric conversion element and organic solar cell using the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US8967848B2 | Lighting device | Emerging Cross-Sectional Technologies | 0 | Active |
| US9666818B2 | Tandem-type organic photoelectric conversion element and solar battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US8491725B2 | Cleaning method of coloring device of optical fiber, and coloring device of optical fiber | Physics | 0 | Active |
| US7437084B2 | Infrared radiation receiving circuit, electronic device, and infrared radiation receiving method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.