Koichi Ishibashi
21Patents
4h-index
45Co-inventors
63Inventor score
Filing activity: Mar 2, 1993 → Mar 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6360152B1 | Vehicle-control communication system | Electricity | 33 | Expired |
| US5393378A | Method for measuring and controlling fiber variations in paper sheet | Physics | 11 | Expired |
| US5622602A | Apparatus for controlling the degree of paper fiber variation | Physics | 9 | Expired |
| US9799837B2 | Iridium complex compound, solution composition containing the compound, organic electroluminescent element, display, and lighting | Electricity | 6 | Active |
| US7412863B2 | Work positioning device | Performing Operations; Transporting | 4 | Expired |
| US7589767B2 | Image-recording device | Electricity | 3 | Active |
| US7610785B2 | Work positioning device | Performing Operations; Transporting | 3 | Active |
| US8945728B2 | Organic compound, charge-transporting material, composition containing the compound, organic electroluminescent element, display device, and lighting device | Emerging Cross-Sectional Technologies | 3 | Active |
| US10600974B2 | Iridium complex compound, process for producing the compound, composition including the compound, organic electroluminescent element, display device, and illuminator | Electricity | 2 | Active |
| US9899606B2 | Composition for organic electroluminescent element, organic electroluminescent element, display and lighting | Electricity | 2 | Active |
| US9398614B2 | Data collection system, data collection device, wireless communication device, and communication method for collecting data | Electricity | 1 | Active |
| US8823833B2 | Imager that adds visual effects to an image and records visual effects information in an image file | Electricity | 1 | Active |
| US7995130B2 | Image-recording device | Electricity | 1 | Active |
| US11430961B2 | Iridium complex compound, and composition, organic electroluminescent element, display device, and lighting device each containing the compound | Electricity | 1 | Active |
| US11316112B2 | Electron-accepting compound and composition for charge-transporting film, and luminescent element using same | Electricity | 1 | Active |
| US9628372B2 | Data communication apparatus, data communication system, and data communication method | Electricity | 1 | Active |
| US8994850B2 | Apparatus and method for photographing information management | Electricity | 0 | Active |
| US9564602B2 | Organic compound, charge-transporting material, composition containing the compound, organic electroluminescent element, display device, and lighting device | Emerging Cross-Sectional Technologies | 0 | Active |
| US9473733B2 | Wireless communication system | Electricity | 0 | Active |
| US11793069B2 | Electron-accepting compound and composition for charge-transporting film, and luminescent element using same | Electricity | 0 | Active |
| US9521075B2 | Communication device and communication control method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.