Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6009044 | Fish sonar | Shigefumi Goto, Yoshiyuki Asakura, Yoshinobu Okubo, Yoshikazu Maramatsu | 1999-12-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6009044 | Fish sonar | Shigefumi Goto, Yoshiyuki Asakura, Yoshinobu Okubo, Yoshikazu Maramatsu | 1999-12-28 |