| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Republic of Korea | 2 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Mechanical elements | |
| #3 | Transport | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Operating tables | |
| #2 | Clutches and brakes | |
| #3 | Vehicle brake control systems | |
| #4 | Chairs and beds | |
| #5 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Matsunaga Noriyuki | 9 |
| #2 | Miyagawa Kengo | 7 |
| #3 | Goto Kazuyuki | 2 |
| #4 | Mutsuro Takashi | 1 |
| #5 | Matunaga Sigeyuki | 1 |
| #6 | Hiromi Matunaga Sigeyuki Matuk | 1 |
| #7 | Matunaga Noriyuki | 1 |
| #8 | Matsunaga Sigeyuki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN106659623A | Caster and wheelchair | |
| WO2016059658A1 | Wheelchair and main wheel unit |