Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8103239 | Emergency notification system and emergency notification device | Junichi Yamazaki | 2012-01-24 |
| 7308246 | Emergency notification system and emergency notification device | Junichi Yamazaki | 2007-12-11 |
| 6644234 | Holding apparatus for a floating hose | Yuji Awashima, Yuji Nakashima, Masahiro Itabashi, Kenji Kochi | 2003-11-11 |
| 4954936 | Aseismatic structure of an indicating lamp | Tokio Kawashima | 1990-09-04 |