| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | China | 3 | |
| #3 | Brazil | 2 | |
| #4 | France | 2 | |
| #5 | Egypt | 1 | |
| #6 | Spain | 1 | |
| #7 | India | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Sweden | 1 | |
| #10 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machines | |
| #3 | Medical technology | |
| #4 | Macromolecular chemistry and polymers |
| # | Technology | |
|---|---|---|
| #1 | Footwear features | |
| #2 | Producing goods from plastic | |
| #3 | Shaping of plastics | |
| #4 | Unspecified technologies | |
| #5 | Electrotherapy | |
| #6 | Polysaccharides | |
| #7 | Physical therapy devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fukuoka Tatsuo | 13 |
| #2 | Tatsuo Fukuoka | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EG18878A | Shoe | |
| CN1050314A | Ventilated synthetic resin shoe | |
| NL8820415A | Insole. | |
| SU638241A3 | Orthopedic footwear | |
| US3613272A | Footwear | |
| US3671621A | Injection molding method for sandals | |
| US3672078A | Footwear | |
| US3577662A | Footwear | |
| US3608215A | Footwear | |
| US3596381A | Sandal | |
| US3552039A | Sandal |