Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589687 | Cleaved type safety valve for metal vessels | Kazuho Suzuki, Yutaka Konno | 2003-07-08 |
| 6265097 | Breakable safety valve for metal-made container | Kazuho Suzuki, Yutaka Konno | 2001-07-24 |