Eiichi Ohta
37Patents
15h-index
82Co-inventors
84Inventor score
Filing activity: Aug 11, 1978 → Jan 9, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5117299A | Liquid crystal display with a light blocking film of hard carbon | Emerging Cross-Sectional Technologies | 75 | Expired |
| US5132676A | Liquid crystal display | Physics | 54 | Expired |
| US5142390A | MIM element with a doped hard carbon film | Physics | 51 | Expired |
| US5101288A | LCD having obliquely split or interdigitated pixels connected to MIM elements having a diamond-like insulator | Physics | 51 | Expired |
| US6947195B2 | OPTICAL MODULATOR, OPTICAL MODULATOR MANUFACTURING METHOD, LIGHT INFORMATION PROCESSING APPARATUS INCLUDING OPTICAL MODULATOR, IMAGE FORMATION APPARATUS INCLUDING OPTICAL MODULATOR, AND IMAGE PROJECTION AND DISPLAY APPARATUS INCLUDING OPTICAL MODULATOR | Physics | 42 | Expired |
| US4687352A | Printer with an image reader | Performing Operations; Transporting | 41 | Expired |
| US6367914B1 | Electrostatic ink-jet head and method of production of the same | Performing Operations; Transporting | 40 | Expired |
| US4849730A | Force detecting device | Physics | 39 | Expired |
| US5153753A | Active matrix-type liquid crystal display containing a horizontal MIM device with inter-digital conductors | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5319479A | Deposited multi-layer device with a plastic substrate having an inorganic thin film layer | Chemistry; Metallurgy | 27 | Expired |
| US5214416A | Active matrix board | Physics | 24 | Expired |
| US4836034A | Force sensing apparatus | Physics | 22 | Expired |
| US4911023A | Force sensing apparatus | Physics | 17 | Expired |
| US7554574B2 | Abnormal state occurrence predicting method, state deciding apparatus, and image forming system | Physics | 15 | Active |
| US4702630A | Facsimile-printer apparatus | Electricity | 15 | Expired |
| US5543945A | Method of driving an LCD employing combining two voltages which change polarity at different times in a frame | Physics | 14 | Expired |
| US4748516A | Input/output device for image reading and printing | Electricity | 14 | Expired |
| US5276509A | Multi-color facsimile apparatus having different data preparation and transmission modes and data preparations and transmission method practiced by the apparatus | Electricity | 12 | Expired |
| US5008732A | Thin film two terminal element | Physics | 9 | Expired |
| US7166486B2 | Optical modulator, optical modulator manufacturing method, light information processing apparatus including optical modulator, image formation apparatus including optical modulator, and image projection and display apparatus including optical modulator | Physics | 9 | Expired |
| US4684999A | Image reader | Electricity | 7 | Expired |
| US4743089A | Photoelectric optical fiber reading apparatus | Electricity | 7 | Expired |
| US7715760B2 | Charging device, and process cartridge and image forming apparatus using the same | Physics | 6 | Active |
| US6341847B1 | Electrostatic inkjet head having an accurate gap between an electrode and a diaphragm and manufacturing method thereof | Performing Operations; Transporting | 6 | Expired |
| US4652743A | Optical image-reading apparatus | Electricity | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.