Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486068 | Method for manufacturing group III nitride compound semiconductor laser diodes | Shiro Yamasaki, Seiji Nagai, Masayoshi Koike, Isamu Akasaki, Isao Yamada +1 more | 2002-11-26 |
| 6446001 | Navigation apparatus for navigating a vehicle based on symbolic sounds | Hideki Sakai, Takashi Takinami, Miyuki Matsumoto | 2002-09-03 |
| 6439552 | Overhead wire tensioning device | Satoshi Ageishi, Yoshio Narumiya, Toru Uchikoshi, Shoji Konta, Yoshinori Wakabayashi +2 more | 2002-08-27 |