| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 3 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | Brazil | 2 | |
| #6 | Canada | 2 | |
| #7 | China | 2 | |
| #8 | Finland | 2 | |
| #9 | Norway | 2 | |
| #10 | New Zealand | 2 | |
| #11 | Singapore | 2 | |
| #12 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Skates | |
| #2 | Unspecified technologies | |
| #3 | Vehicle tyre repairing | |
| #4 | Vehicle wheels | |
| #5 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Homma Akira | 27 |
| #2 | Sato Hiroshi | 20 |
| #3 | Homma Susumu | 20 |
| #4 | Hiroi Hisao | 20 |
| #5 | Susumu Homma | 2 |
| #6 | Hisao Hiroi | 2 |
| #7 | Akira Homma | 2 |
| #8 | Kobayashi Masao | 2 |
| #9 | Hiroshi Sato | 2 |
| #10 | Susuma Homma | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP2778456A1 | Multi- free-disk type of clutch | |
| EP0556401A1 | Composite wheel device | |
| WO9311836A1 | Elastic wheels and ski gear employing the same |