Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12090837 | Over-fueling prevention valve | Shinichi Matsuo | 2024-09-17 |
| 9151256 | Overfill prevention valve | Shinichi Matsuo, Shinji Shimokawa | 2015-10-06 |
| 8360089 | Fuel cut-off valve | — | 2013-01-29 |
| 8100153 | Float valve apparatus | — | 2012-01-24 |
| 5564466 | Negative pressure cut valve | Taiki Aoyama, Kouichi Katoh, Harumitsu Sugiyama, Shinichi Matsuo | 1996-10-15 |