| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Italy | 2 | |
| #6 | Australia | 1 | |
| #7 | Brazil | 1 | |
| #8 | Japan | 1 | |
| #9 | United States | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Punching metal | |
| #3 | Metal wire processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yashiro Kazuyoshi | 7 |
| #2 | Yashiro K | 1 |
| #3 | Kim Moonsup | 1 |
| #4 | Yashiro Kazunari | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2018079856A1 | Annular body manufacturing device and annular body manufacturing method | |
| CA1030441A | Method and apparatus for producing annular metallic blanks for metallic rings | |
| US4020878A | Method and apparatus for making annular metallic blanks | |
| JPS51103867A | Kinzokuringusozaino seisakuhoho oyobi sonosochi |