| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 2 | |
| #4 | United States | 2 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Scaffolding |
| # | Name | Total Patents |
|---|---|---|
| #1 | Onishi Katsunori | 11 |
| #2 | Hebiishi Miki | 2 |
| #3 | Katsunori Onishi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020172845A | Junction structure of h-shaped steel | |
| WO2019074050A1 | Joint structure for h-beam | |
| JP2018104953A | Unit building | |
| JP2017210745A | Construction method of building |