Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830992 | Method for manufacturing a gallium nitride group compound semiconductor | Katsuhide Manabe, Akira Mabuchi, Michinari Sassa, Norikatsu Koide, Shiro Yamazaki +2 more | 2004-12-14 |
| 6794629 | Photomultiplier | Hideto Kawai | 2004-09-21 |