Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6705483 | Fuel tank fueling device having cam mechanism | Masayuki Nakagawa | 2004-03-16 |
| 6681817 | Fueling device | Masayuki Nakagawa | 2004-01-27 |
| 6568553 | Tank cap and tank cap apparatus | Masayuki Nakagawa | 2003-05-27 |
| 6543833 | Cap device | Masayuki Nakagawa | 2003-04-08 |
| 6474376 | Fueling device | Masayuki Nakagawa | 2002-11-05 |
| 6321801 | Fuel supply apparatus for fuel tank | Masayuki Nakagawa | 2001-11-27 |
| 6308852 | Tank cap and fuel tank with the same | Masayuki Nakagawa | 2001-10-30 |
| 6202882 | Structure of fuel pouring inlet | Masayuki Nakagawa | 2001-03-20 |
| 6197858 | Polyamide resin composition and fuel tank caps made of the same | Masayuki Nakagawa, Hideyuki Hisashi, Seiji Morimoto | 2001-03-06 |
| 6138852 | Fuel tank | Natsushi Miura, Masayuki Nakagawa | 2000-10-31 |
| 6012599 | Fuel tank | Natsushi Miura, Masayuki Nakagawa | 2000-01-11 |
| 6003709 | Fuel cap | Masayuki Nakagawa | 1999-12-21 |
| 5996830 | Fuel tank cap | Masayuki Nakagawa | 1999-12-07 |
| 5996829 | Fuel tank cap | Masayuki Nakagawa | 1999-12-07 |
| 5992672 | Fuel tank cap | Masayuki Nakagawa | 1999-11-30 |
| 5992669 | Fuel tank cap and method of manufacturing the same | Masayuki Nakagawa | 1999-11-30 |
| 5992670 | Fuel tank cap and method of manufacturing the same | Masayuki Nakagawa | 1999-11-30 |
| 5975328 | Fuel tank cap | Masayuki Nakagawa | 1999-11-02 |
| 5850851 | Check valve and fuel tank utilizing the same | Natsushi Miura, Masayuki Nakagawa | 1998-12-22 |
| 5279439 | Fuel cap for a pressured fuel tank | Joji Kasugai, Natsushi Miura, Norimichi Kubota | 1994-01-18 |
| 5148934 | Cap having a valve therein | Joji Kasugai, Norikazu Hosokawa | 1992-09-22 |