Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475924 | Substrate and process for producing the same | Reo Yamamoto, Yoshihiko Numata, Yuichiro Minabe | 2002-11-05 |
| 5770821 | Submount | Yoshihiko Numata, Reo Yamamoto | 1998-06-23 |