| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 9 | |
| #2 | EPO (European Patent Office) | 6 | |
| #3 | United States | 4 | |
| #4 | WIPO (World Intellectual Property Organization) | 4 | |
| #5 | Hong Kong | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Surface technology and coating | |
| #4 | Thermal processes | |
| #5 | Civil engineering | |
| #6 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Layered products | |
| #4 | Shaping of plastics | |
| #5 | Air-conditioning | |
| #6 | Shaping clay | |
| #7 | Structural elements | |
| #8 | Installation of electric cables | |
| #9 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kanao Shigeki | 20 |
| #2 | Shigeki Kanao | 6 |
| Publication | Filing date | Title |
|---|---|---|
| CN104937190A | Floor panel | |
| CN104114355A | Conduit rehabilitation pipe | |
| WO2010071130A1 | Flexible, pressure-resistant and oil-resistant hose | |
| US2009117302A1 | Metal-resin composite pipes | |
| EP2019247A2 | Connection structure of metal-resin composite pipes and metal-resin composite pipe for use in the connection structure |