| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | Japan | 3 | |
| #3 | Australia | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | France | 1 | |
| #6 | Taiwan | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machine tools | |
| #3 | Medical technology | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Vehicle wheels | |
| #2 | Vehicle suspension arrangements | |
| #3 | Aeroplanes | |
| #4 | Operating tables | |
| #5 | Springs | |
| #6 | Grinding or polishing devices | |
| #7 | Hand carts | |
| #8 | Grinding tools | |
| #9 | Vehicle seats | |
| #10 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yoshioka Koji | 11 |
| #2 | Kokufu Osamu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2004215375A | Power generating damper device | |
| JP2003079671A | Front-wheel supporting mechanism for wheelchair | |
| JP2003072693A | Wheel supporting mechanism for aircraft | |
| AU5852500A | Suspension mechanism | |
| WO9950134A1 | Bicycle front wheel control mechanism | |
| US4026572A | Means for isolating a vibration or shock |