Chihiro Kawahara
11Patents
5h-index
21Co-inventors
66Inventor score
Filing activity: Aug 8, 1995 → Dec 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6469719B1 | Graphical user interface apparatus with improved layout of menu items | Physics | 73 | Expired |
| US5983247A | Data conversion apparatus for reading a document for a display screen and generating a display image for another display screen which has a different aspect ratio from the former display screen | Electricity | 28 | Expired |
| US5930808A | Data conversion apparatus for data communication system | Electricity | 27 | Expired |
| US5767845A | Multi-media information record device, and a multi-media information playback device | Electricity | 27 | Expired |
| US6614457B1 | Focus control device that moves a focus in a GUI screen | Electricity | 25 | Expired |
| USRE39652E1 | Multi-media information record device, and a multi-media information playback device | General | 2 | Expired |
| US7707306B2 | Routing device for connecting multiple physically discrete networks into a single system and startup method thereof | Electricity | 2 | Expired |
| US11346879B2 | Semiconductor device | Electricity | 1 | Active |
| US11808801B2 | Semiconductor device reliability evaluation apparatus and semiconductor device reliability evaluation method | Physics | 1 | Active |
| US11750090B2 | Semiconductor device and power conversion device | Electricity | 0 | Active |
| US12416528B2 | Device and method for sensing an over-temperature of a power semiconductor | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.