Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8615402 | Method and system for distributing disaster information | Keiichi Ichikawa | 2013-12-24 |
| 8160891 | Method and system for distributing disaster information | Keiichi Ichikawa | 2012-04-17 |
| 5639217 | Splitter-type impeller | Akio Onzuka | 1997-06-17 |