Mitsuhiro Nonaka
13Patents
6h-index
17Co-inventors
63Inventor score
Filing activity: Nov 5, 1981 → Aug 30, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6744071B2 | Nitride semiconductor element with a supporting substrate | Electricity | 130 | Expired |
| US6946683B2 | Opposed terminal structure having a nitride semiconductor element | Electricity | 118 | Expired |
| US6916676B2 | Method for producing a nitride semiconductor element | Electricity | 52 | Expired |
| US7049635B2 | Opposed terminal structure having a nitride semiconductor element | Electricity | 28 | Expired |
| US4669859A | Developing device | Physics | 11 | Expired |
| US4420246A | Multiple reproduction apparatus | Physics | 8 | Expired |
| US7649923B2 | Method for manufacturing nitride semiconductor laser element, and nitride semiconductor laser element | Electricity | 4 | Active |
| US5230454A | Automatic document feeder capable of handling computer form document | Physics | 3 | Expired |
| US7485900B2 | Nitride semiconductor device and a manufacturing method therefor | Electricity | 3 | Expired |
| US5310170A | Recycling automatic document feeder for a copier | Physics | 1 | Expired |
| US9246306B2 | Semiconductor laser element and method of manufacturing the same | Electricity | 1 | Active |
| US9870525B2 | Semiconductor laser element and method of obtaining information from the semiconductor laser element | Electricity | 0 | Active |
| US8415188B2 | Method for manufacturing nitride semiconductor laser element | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.