Koichi Katagawa
20Patents
6h-index
38Co-inventors
65Inventor score
Filing activity: Oct 27, 1999 → Jul 16, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6600469B1 | Liquid crystal display with pre-writing and method for driving the same | Physics | 35 | Expired |
| US6680722B1 | Display panel driving method, display panel driver circuit, and liquid crystal display device | Physics | 28 | Expired |
| US7342561B2 | Driving method and drive control circuit of liquid crystal display device, and liquid crystal display device including the same | Physics | 13 | Expired |
| US6894669B2 | Display control device of liquid crystal panel and liquid crystal display device | Physics | 12 | Expired |
| US6856373B2 | Liquid crystal display apparatus and reduction of electromagnetic interference | Physics | 10 | Expired |
| US7382343B2 | Display panel driving method, display panel driver circuit, and liquid crystal display device | Physics | 7 | Expired |
| US7154467B2 | Control circuit of liquid crystal display device for performing driving compensation | Physics | 4 | Expired |
| US7079105B2 | Liquid crystal display with pre-writing and method for driving the same | Physics | 3 | Expired |
| US7173588B2 | Matrix display device having switching circuit for selecting either a picture voltage or a pre-write voltage for picture elements | Physics | 3 | Expired |
| US8432347B2 | Driving method and drive control circuit of liquid crystal display device, and liquid crystal display device including the same | Physics | 3 | Active |
| US7595780B2 | Liquid crystal display device | Physics | 3 | Active |
| US8547316B2 | Display apparatus | Physics | 3 | Active |
| US8823623B2 | Liquid crystal driver, liquid crystal driving method and liquid crystal display device | Physics | 1 | Active |
| US7969427B2 | Control device for display panel and display apparatus having same | Physics | 1 | Active |
| US8279165B2 | Apparatus and method to improve quality of moving image displayed on liquid crystal display device | Physics | 1 | Active |
| US8421742B2 | Apparatus and method to improve quality of moving image displayed on liquid crystal display device | Physics | 0 | Active |
| US7592994B2 | Liquid crystal display apparatus and reduction of electromagnetic interference | Physics | 0 | Active |
| US7764261B2 | Apparatus and method to improve quality of moving image displayed on liquid crystal display device | Physics | 0 | Active |
| US7982842B2 | Interconnect structure for display device and projection display apparatus | Physics | 0 | Active |
| US9470900B2 | Display unit, display driving circuit, and display driving method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.