Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437361 | Semiconductor device and method of using the same | — | 2002-08-20 |
| 6376338 | Manufacturing method of a semiconductor device having a diffraction grating | Mitsuru Ekawa, Takuya Fujii, Yuji Kotaki | 2002-04-23 |