| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | China | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Taiwan | 2 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Chemical engineering | |
| #3 | Materials and metallurgy | |
| #4 | Engines, pumps and turbines | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Syringes | |
| #2 | Separation | |
| #3 | Pumps | |
| #4 | Non-metallic elements | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sugawara Kimio | 3 |
| #2 | Ouchi Teruhiko | 3 |
| #3 | Enomoto Hisashi | 3 |
| #4 | Watanabe Hirofumi | 2 |
| #5 | Komatsu Fumito | 2 |
| #6 | Ogawa Hiroshi | 2 |
| #7 | Asakura Keiichi | 1 |
| #8 | Teruhiko Ouchi | 1 |
| #9 | Hirofumi Watanabe | 1 |
| #10 | Hiroshi Ogawa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2014083594A1 | Extension tube winding unit and oxygen concentration device | |
| WO2014083595A1 | Oxygen concentration device | |
| WO2014083593A1 | Oxygen concentration device | |
| CN102458550A | Oxygen concentrator and start-up control method for same |