Kenichi Katoh
27Patents
16h-index
29Co-inventors
81Inventor score
Filing activity: Apr 5, 1994 → Aug 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5748165A | Image display device with plural data driving circuits for driving the display at different voltage magnitudes and polarity | Physics | 129 | Expired |
| US5712653A | Image display scanning circuit with outputs from sequentially switched pulse signals | Physics | 59 | Expired |
| US5610414A | Semiconductor device | Electricity | 54 | Expired |
| US5907313A | Matrix-type display device | Physics | 43 | Expired |
| US5990857A | Shift register having a plurality of circuit blocks and image display apparatus using the shift register | Physics | 39 | Expired |
| US5708454A | Matrix type display apparatus and a method for driving the same | Physics | 38 | Expired |
| US6300927A | Display device | Physics | 38 | Expired |
| US6054976A | Signal amplifier, signal amplifier circuit, signal line drive circuit and image display device | Electricity | 36 | Expired |
| US5581273A | Image display apparatus | Physics | 30 | Expired |
| US5926156A | Matrix type image display using backup circuitry | Physics | 29 | Expired |
| US6255695A | TFT CMOS logic circuit having source/drain electrodes of differing spacing from the gate electrode for decreasing wiring capacitance and power consumption | Electricity | 29 | Expired |
| US5926158A | Image display apparatus | Physics | 28 | Expired |
| US5512075A | Folded filter element for filtering fluid | Performing Operations; Transporting | 27 | Expired |
| US5734366A | Signal amplifier, signal amplifier circuit, signal line drive circuit and image display device | Electricity | 25 | Expired |
| US5777591A | Matrix display apparatus employing dual switching means and data signal line driving means | Physics | 23 | Expired |
| US7016703B2 | Portable information apparatus for displaying information in a folded state | Electricity | 20 | Expired |
| US5977944A | Data signal output circuit for an image display device | Physics | 14 | Expired |
| US6064364A | Image display scanning circuit with outputs from sequentially switched pulse signals | Physics | 14 | Expired |
| US5892495A | Scanning circuit and image display apparatus | Physics | 13 | Expired |
| US6011535A | Active matrix display device and scanning circuit | Physics | 8 | Expired |
| US7664524B2 | Mobile communication system, mobile communication terminal cell search method and program for use therewith | Electricity | 2 | Active |
| US6448954B1 | Active matrix display device and scanning circuit | Physics | 2 | Expired |
| US6303669A | Flexible polyurethane foam | Electricity | 2 | Expired |
| US6741231B2 | Active matrix display device and scanning circuit | Physics | 1 | Expired |
| US5990186A | Polyurethane foam for sealant | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.