Seiichi Ohta
6Patents
2h-index
11Co-inventors
48Inventor score
Filing activity: Apr 19, 1990 → Aug 24, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5090078A | Optical disk storage container and cleaner | Physics | 11 | Expired |
| US5249177A | Structure for preventing dislocation of a spring in an optical disk cartridge | Physics | 2 | Expired |
| US9442156B2 | Alignment support device and alignment support method for probe device | Physics | 1 | Active |
| US9664733B2 | Probe device for testing electrical characteristics of semiconductor element | Physics | 1 | Active |
| US5114828A | Optical information recording medium containing linear acrylic resin | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6897893B1 | Image pickup device equipped with light emitter and image pickup method using the same | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.