Katsuhiro Ishida
66Patents
23h-index
62Co-inventors
91Inventor score
Filing activity: Sep 18, 1980 → Sep 14, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD312628S | Portable order terminal with card reader | General | 138 | Expired |
| US8039970B2 | Stacked semiconductor device and method of manufacturing the same | Electricity | 106 | Active |
| US5818419A | Display device and method for driving the same | Physics | 80 | Expired |
| US6144364A | Display driving method and apparatus | Physics | 67 | Expired |
| USD307888S | Programming device for sequence controller | General | 61 | Expired |
| US6069609A | Image processor using both dither and error diffusion to produce halftone images with less flicker and patterns | Electricity | 58 | Expired |
| USD332604S | Computer input and output terminal | General | 57 | Expired |
| US6100859A | Panel display adjusting number of sustaining discharge pulses according to the quantity of display data | Physics | 51 | Expired |
| US6222512A | Intraframe time-division multiplexing type display device and a method of displaying gray-scales in an intraframe time-division multiplexing type display device | Physics | 49 | Expired |
| US6636187B2 | Display and method of driving the display capable of reducing current and power consumption without deteriorating quality of displayed images | Physics | 47 | Expired |
| US6104362A | Panel display in which the number of sustaining discharge pulses is adjusted according to the quantity of display data, and a driving method for the panel display | Physics | 45 | Expired |
| USD313224S | Portable order terminal with printer | General | 44 | Expired |
| US6278421A | Method and apparatus for controlling power consumption of display unit, display system equipped with the same, and storage medium with program stored therein for implementing the same | Physics | 44 | Expired |
| US6249265A | Intraframe time-division multiplexing type display device and a method of displaying gray-scales in an intraframe time-division multiplexing type display device | Physics | 43 | Expired |
| US6072448A | Plasma display device driven in a subframe mode | Physics | 41 | Expired |
| USD307263S | Control unit of programmable controller | General | 33 | Expired |
| USD333147S | Cash register with POS system | General | 29 | Expired |
| US6326938A | Power consumption control in display unit | Physics | 29 | Expired |
| US6417835B1 | Display driving method and apparatus | Physics | 28 | Expired |
| USD317757S | Order terminal for inventory control | General | 28 | Expired |
| USD310660S | Keyboard for programmable controller | General | 26 | Expired |
| US5907316A | Method of and apparatus for displaying halftone images | Physics | 25 | Expired |
| US6563486B2 | Display driving method and apparatus | Physics | 24 | Expired |
| USD324514S | Housing for data communicator for automatic conveyance system | General | 22 | Expired |
| USD329843S | Control unit of sequence controller | General | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.