Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7770594 | Liquid shutoff valve gear | — | 2010-08-10 |
| 7661193 | Method for manufacturing float valve apparatus | — | 2010-02-16 |
| 7568499 | Fuel check valve | Shinichi Matsuo | 2009-08-04 |
| 6827098 | Fuel cut-off apparatus for fuel tank | Harumitsu Sugiyama, Shinichi Matsuo | 2004-12-07 |