Motoharu Miyashita
20Patents
6h-index
22Co-inventors
69Inventor score
Filing activity: Nov 16, 1992 → Dec 4, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5675601A | Semiconductor laser device | Electricity | 18 | Expired |
| US5439723A | Substrate for producing semiconductor wafer | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5835516A | Semiconductor laser device and method of fabricating semiconductor laser device | Electricity | 15 | Expired |
| US5477325A | Method for evaluating epitaxial layers and test pattern for process evaluation | Electricity | 7 | Expired |
| US5882952A | Semiconductor device including quantum wells or quantum wires and method of making semiconductor device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5436196A | Method of producing semiconductor laser | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6333946A | Semiconductor laser device and process for manufacturing the same | Electricity | 6 | Expired |
| US5279077A | Method for producing semiconductor wafer | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5822350A | Semiconductor laser | Electricity | 5 | Expired |
| US5903587A | Stress compensation type semiconductor laser | Electricity | 5 | Expired |
| US5887011A | Semiconductor laser | Electricity | 4 | Expired |
| US5805628A | Semiconductor laser | Electricity | 4 | Expired |
| US5673283A | Semiconductor device and fabricating method thereof | Electricity | 3 | Expired |
| US5838704A | Pulsation laser having an active region with a thicker central region in a resonator length direction | Electricity | 2 | Expired |
| US7602830B2 | Monolithic semiconductor laser and method of manufacturing the same | Electricity | 1 | Active |
| US6414977B1 | Semiconductor laser device | Electricity | 1 | Expired |
| US7260132B2 | Semiconductor laser apparatus | Electricity | 1 | Expired |
| US12308607B2 | Semiconductor laser element, method for manufacturing same, and semiconductor laser device | Electricity | 0 | Active |
| US6275515A | Semiconductor laser device and method of producing the same | Electricity | 0 | Expired |
| US12176675B2 | Semiconductor laser device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.