Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6542685 | Temperature insensitive optical waveguides and optical devices using the same | — | 2003-04-01 |
| 6504826 | Digital broadcasting receiver | Toshihiro Kato, Kenji Katsumata, Takanori Eda, Takumi Okamura, Masaru Nanki | 2003-01-07 |