Jun Ohta
33Patents
14h-index
75Co-inventors
84Inventor score
Filing activity: Oct 16, 1973 → Feb 12, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7715723B2 | Information-processing system using free-space optical communication and free-space optical communication system | Electricity | 187 | Active |
| USD529901S1 | Headphones | General | 150 | Expired |
| US7502053B2 | Information-processing device and information-processing system | Physics | 85 | Active |
| US5095459A | Optical neural network | Physics | 83 | Expired |
| US7728893B2 | Imaging device and method for reading signals from such device | Electricity | 55 | Active |
| US5381315A | Shelf assembly in electronic switching system | Electricity | 50 | Expired |
| US6480616B1 | Status-of-use decision device for a seat | Performing Operations; Transporting | 39 | Expired |
| US5377290A | Optical fiber composite ground wire with water absorption member and method of manufacturing the same | Physics | 26 | Expired |
| US5815608A | Apparatus and method for sensing and processing images | Physics | 26 | Expired |
| US3939470A | Liquid level detecting and indicating system for vehicle | Physics | 24 | Expired |
| US6087703A | Photodetector and photodetection circuit | Electricity | 17 | Expired |
| US7191010B2 | Built-in-eye eyesight stimulating apparatus | Human Necessities | 16 | Expired |
| US4016534A | Indicator device for automobiles | Physics | 16 | Expired |
| US3944969A | Central warning apparatus for vehicles | Physics | 14 | Expired |
| US4045794A | Alarm indicating system | Physics | 11 | Expired |
| US5220642A | Optical neurocomputer with dynamic weight matrix | Physics | 10 | Expired |
| US4888783A | Semiconductor laser device | Electricity | 10 | Expired |
| US5257343A | Intelligence information processing system | Physics | 9 | Expired |
| US4497198A | Knocking sensor | Physics | 8 | Expired |
| US7337008B2 | Visual restoration aiding device | Human Necessities | 7 | Expired |
| US4429565A | Knocking detecting apparatus for an internal combustion engine | Physics | 7 | Expired |
| US7308315B2 | Vision regeneration assisting apparatus | Human Necessities | 5 | Expired |
| US5309539A | Communication cable | Physics | 4 | Expired |
| US4335284A | Switch for direction indicator of vehicle | Performing Operations; Transporting | 3 | Expired |
| US9797837B2 | Detector and detection method | Emerging Cross-Sectional Technologies | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.