| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 3 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | Italy | 2 | |
| #5 | United States | 2 | |
| #6 | United Kingdom | 1 | |
| #7 | Republic of Korea | 1 | |
| #8 | Taiwan | 1 | |
| #9 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Footwear features |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fukuoka Sadao | 6 |
| #2 | Sadao Fukuoka | 2 |
| #3 | Motoki T | 1 |
| #4 | Fukuoka Toshio | 1 |
| #5 | Fukuoka Satao | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JPH0723802A | Ventilation shoes | |
| DE3206631A1 | SHOE | |
| JPS58130002A | Footwear | |
| US4364186A | Ventilated footwear | |
| JPS5568302A | Shoes and production thereof | |
| YU90069A | Cipela sa uloskom snabdevenim otvorima za ventilaciju |