Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833719 | Apparatus for evaluating electrical characteristics | Tsuyoshi Hasegawa, Tomonobu Nakayama, Taichi Okuda, Kazuya Terabe, Hirofumi Tanaka | 2004-12-21 |
| 6707070 | Wavelength-tunable light emitting device | Makoto Sakurai | 2004-03-16 |