Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5404530 | Information managing apparatus | Haruo Koyanagi, Kazuyoshi Abe, Tohru Nishiyama, Minoru Nomaru, Tomoyasu Yamazaki | 1995-04-04 |
| 4926544 | Production system using unmanned automatically guided vehicles | Haruo Koyanagi, Hideyuki Kumasaka, Koji Takao | 1990-05-22 |