Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8363308 | Fiber optical device and method of driving the same | Hiroshi Sekiguchi | 2013-01-29 |
| 6683892 | Laser device, method of producing the same and composite optical medium for use in producing the same | Hiroshi Sekiguchi | 2004-01-27 |
| 6466361 | Converging device and light source module, laser device and optical signal amplifier using such converging device | Hiroshi Sekiguchi | 2002-10-15 |
| 6459068 | Laser device, laser machining device and optical amplifier | Hiroshi Sekiguchi | 2002-10-01 |
| 6034779 | Array element examination method and array element examination device | — | 2000-03-07 |