| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | China | 3 | |
| #3 | United States | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Forging | |
| #2 | Soldering, welding and flame cutting | |
| #3 | Punching metal | |
| #4 | Making forged metal products | |
| #5 | Metal-working |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nishimura Rikiya | 8 |
| #2 | Masunaga Etsuo | 8 |
| #3 | Shinjo Tadashi | 4 |
| Publication | Filing date | Title |
|---|---|---|
| WO2018042471A1 | Coupling device | |
| CN109641311A | Coupling apparatus | |
| EP3081320A1 | Apparatus to produce self-piercing and clinch nut and method for producing self-piercing and clinch nut |