| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 9 | |
| #2 | United States | 2 | |
| #3 | France | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Consumer goods | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Buttons, pins and buckles | |
| #3 | Dry-docking of vessels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sugita Taizo | 6 |
| #2 | Fujita Naotaka | 2 |
| #3 | Kasama Masatoshi | 2 |
| #4 | Masatoshi Kasama | 1 |
| #5 | Fujita Hisataka | 1 |
| #6 | Nakai Kohzo | 1 |
| #7 | Uchida Kensuke | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2019094030A | Diving mask | |
| JP2018164705A | Fin holder | |
| JP2003259903A | Fin strap | |
| JP2003261095A | Snorkel holder | |
| JPH11189269A | Buckle for fastening band with two-flucrum | |
| JPH11139388A | Water discharging device for snorkel | |
| JPH11128398A | Fin for swimming | |
| JPH10118224A | Diving fin | |
| JPH07253478A | Gauge guard | |
| US4527292A | Locking means for a fixing band of a diving mask | |
| GB2085060A | Sliding-bar buckle |