Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613303 | Oil level gauge | Shigeru Kayano | 1997-03-25 |
| 5509569 | Airtight filler neck cap | Takanari Hiranuma | 1996-04-23 |
| 5437317 | Ventilation line opening/closing means of fuel tank | Seiichi Takatsuka, Yukihiro Tsugita | 1995-08-01 |
| 5327933 | Check valve of fuel tank | Tatuzi Ishikawa | 1994-07-12 |
| 5222519 | Reverse-flow prevention device for fuel tank | Juichi Fujita | 1993-06-29 |
| 5172721 | Check valve for fuel tank | Juichi Fujita | 1992-12-22 |
| 5159953 | Check valve apparatus for fuel tank | Juichi Fujita | 1992-11-03 |
| 5020685 | Filler neck cap with pressure valve | Tooru Kayatani, Toru Kenmotsu | 1991-06-04 |