Masaya Okada
43Patents
5h-index
77Co-inventors
72Inventor score
Filing activity: Apr 18, 1996 → Oct 4, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5828619A | Semiconductor memory device | Physics | 31 | Expired |
| USD827008S1 | Microscope | General | 13 | Active |
| US8227810B2 | Semiconductor device and method for manufacturing same | Electricity | 6 | Active |
| US8890239B2 | Semiconductor device and method for producing the same | Electricity | 6 | Active |
| US8525184B2 | Semiconductor device and method for manufacturing same | Electricity | 6 | Active |
| US8681923B2 | Method of manufacturing core shroud for nuclear power plant and structure of nuclear power plant | Emerging Cross-Sectional Technologies | 5 | Active |
| US10282622B2 | Marine intrusion detection system and method | Physics | 4 | Active |
| US8969920B2 | Vertical GaN-based semiconductor device | Electricity | 4 | Active |
| US11097724B2 | Apparatus and system for controlling travel of vehicle | Performing Operations; Transporting | 4 | Active |
| US8896058B2 | Semiconductor device and method for producing same | Electricity | 3 | Active |
| US8981428B2 | Semiconductor device including GaN-based compound semiconductor stacked layer and method for producing the same | Electricity | 3 | Active |
| US10604731B2 | Cell analyzer, cell analyzer controlling method, and program | Physics | 2 | Active |
| US10853949B2 | Image processing device | Physics | 2 | Active |
| US11385448B2 | Microscope apparatus | Physics | 2 | Active |
| US8729562B2 | Semiconductor device and method for manufacturing same | Electricity | 2 | Active |
| US8941174B2 | Semiconductor device and method for producing the same | Electricity | 2 | Active |
| US8405125B2 | Semiconductor device and method for producing the same | Electricity | 1 | Active |
| US10127460B2 | Lane boundary line information acquiring device | Physics | 1 | Active |
| US11068735B2 | Reliability calculation apparatus | Physics | 1 | Active |
| US9988082B2 | Traveling path estimation apparatus | Physics | 1 | Active |
| US10529807B2 | Stacked body and electronic device | Electricity | 0 | Active |
| US11042759B2 | Roadside object recognition apparatus | Physics | 0 | Active |
| US10217823B2 | Semiconductor device | Electricity | 0 | Active |
| US11731647B2 | Road shape recognizer, autonomous drive system and method of recognizing road shape | Physics | 0 | Active |
| US11598952B2 | Optical device, phase plate, and image forming method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.