| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Macromolecular chemistry and polymers | |
| #4 | Basic materials chemistry | |
| #5 | Engines, pumps and turbines | |
| #6 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hagano Hiroyuki | 11 |
| #2 | Nakagawa Masayuki | 3 |
| #3 | Yamamoto Satoshi | 1 |
| #4 | Tangiku Koichi | 1 |
| #5 | Inoue Shinichiro | 1 |
| #6 | Kinoshita Toshiyuki | 1 |
| #7 | Akagi Masaki | 1 |
| #8 | Kataoka Chiaki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2012192994A1 | Fuel tank opening and closing device | |
| US2011240640A1 | Fuel tank opening and closing device | |
| US2009188582A1 | Tank opening-closing device | |
| US2004262312A1 | Fuel cap device |