Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784064 | Heterojunction bipolar transistor and method of making heterojunction bipolar transistor | Seiji Yaegashi, Kenji Kotani, Masaki Yanagisawa | 2004-08-31 |
| 6690079 | Light-receiving device | Yasushi Fujimura, Tsukuru Katsuyama | 2004-02-10 |