Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5475363 | Disaster prevention monitoring apparatus | Kiyoaki Koyama, Takashi Shimokawa | 1995-12-12 |
| 5428343 | Disaster prevention monitoring apparatus and method | Masamichi Kikuchi, Yoshinori Kojima | 1995-06-27 |