Yasuhiro Kunitsugu
5Patents
3h-index
7Co-inventors
50Inventor score
Filing activity: Mar 19, 1993 → May 22, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7106775B2 | Semiconductor laser devices | Electricity | 6 | Expired |
| US5368992A | Method of producing diffraction grating | Physics | 5 | Expired |
| US7826507B2 | Semiconductor laser device including highly reflective coating film | Electricity | 4 | Active |
| US7039085B2 | Semiconductor laser device | Electricity | 3 | Expired |
| US8519501B2 | Semiconductor light detecting element with grooved substrate | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.