Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12090837 | Over-fueling prevention valve | Nobuhiro Hirata | 2024-09-17 |
| 9151256 | Overfill prevention valve | Nobuhiro Hirata, Shinji Shimokawa | 2015-10-06 |
| 8844557 | Float valve device | — | 2014-09-30 |
| 8141576 | Float valve device | — | 2012-03-27 |
| 7686030 | Cut valve | Masashi Furuya | 2010-03-30 |
| 7568499 | Fuel check valve | Morihiko Kishi | 2009-08-04 |
| 7490863 | Joint for fuel tank and method for manufacturing the same | Kouichi Nagakura | 2009-02-17 |
| 7219683 | Cut valve with check valve | Masashi Furuya | 2007-05-22 |
| 7032610 | Float valve device | Kenji Yonezawa | 2006-04-25 |
| 6827098 | Fuel cut-off apparatus for fuel tank | Harumitsu Sugiyama, Morihiko Kishi | 2004-12-07 |
| 5823351 | Semiconductor crystal packaging device | Nobuyoshi Fujimaki, Shiroyasu Watanabe, Kintaro Kato | 1998-10-20 |
| 5564466 | Negative pressure cut valve | Taiki Aoyama, Kouichi Katoh, Harumitsu Sugiyama, Nobuhiro Hirata | 1996-10-15 |