Tokyo Shibaura Denki Kabushiki Kaisha
2,925Patents
0Active
2,925Granted
47Portfolio score
Filing activity: Jan 7, 1974 → Aug 8, 1990
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4435793A | Semiconductor memory device with dummy word line/sense amplifier activation | Physics | 426 | Expired |
| US4388166A | Electrochemical measuring apparatus provided with an enzyme electrode | Emerging Cross-Sectional Technologies | 411 | Expired |
| US4480284A | Electrostatic chuck plate | Electricity | 407 | Expired |
| US4707815A | Apparatus for a record player distinguishing between recorded and unrecorded portions of a disc | Physics | 323 | Expired |
| US4466081A | Semiconductor memory device | Physics | 287 | Expired |
| US4500905A | Stacked semiconductor device with sloping sides | Electricity | 225 | Expired |
| US4653647A | Sorting and stacking apparatus | Physics | 212 | Expired |
| US4464786A | System for identifying currency note | Physics | 206 | Expired |
| US4386432A | Currency note identification system | Physics | 204 | Expired |
| US4352988A | Apparatus for discriminating sheets | Physics | 197 | Expired |
| US4445132A | LED Module for a flat panel display unit | Electricity | 194 | Expired |
| US4694963A | Apparatus for sorting sheets | Physics | 184 | Expired |
| US4334619A | Apparatus for processing paper sheets | Physics | 184 | Expired |
| US4547896A | Printed matter identifying apparatus | Physics | 167 | Expired |
| US4602332A | Automatic bank note transaction apparatus | Performing Operations; Transporting | 166 | Expired |
| US4980543A | Multiple denominator bank note depositor/dispenser with automatic loading to and from storage section | Performing Operations; Transporting | 155 | Expired |
| US4716456A | CCD Color image sensor with a light source having a spectrum distribution characteristic having peaks at 470 nm and 590 nm and having no wavelengths above 700 nm | Electricity | 153 | Expired |
| US4434359A | Automatic bank note transaction apparatus | Physics | 147 | Expired |
| US4444201A | Respiration monitoring apparatus and method | Human Necessities | 143 | Expired |
| US4617656A | Information transmission system with modems coupled to a common communication medium | Electricity | 133 | Expired |
| US4616311A | Data processing system | Physics | 127 | Expired |
| US4583796A | Insulated door | Mechanical Engineering; Lighting; Heating | 127 | Expired |
| US4383170A | Image input device | Electricity | 127 | Expired |
| US4688578A | Ultrasonic probe device | Physics | 124 | Expired |
| US4394730A | Multi-processor system employing job-swapping between different priority processors | Physics | 124 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.