Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4628456 | Course guidance system | Kenji Takahashi, Shigeru Hirosawa, Mikio Kanda, Teruo Mimori, Toshio Sasaki +4 more | 1986-12-09 |
| 4532514 | Course guidance system with speeded-up display function | Kenji Takahashi, Shigeru Hirosawa, Mikio Kanda, Shinichiro Yasui, Akira Ichikawa +4 more | 1985-07-30 |