| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 6 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | United States | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | Mexico | 2 | |
| #6 | Brazil | 1 | |
| #7 | China | 1 | |
| #8 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Materials and metallurgy | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Sawing | |
| #3 | Unspecified technologies | |
| #4 | Casting metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Okuya Yasuaki | 17 |
| #2 | Yasuaki Okuya | 4 |
| #3 | Okutani Keisuke | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2019084481A | Blade plate for crusher | |
| EP3674002A1 | Blade plate for crusher, and crusher | |
| JP2017159202A | Blade plate for crusher and crusher | |
| JP2016209822A | Knife blade for crusher, and crusher | |
| JP2016137498A | Device and method for folding weir of casting | |
| JP2012040514A | Shearing/breaking device for nonferrous casting | |
| JP2005087915A | Shearing device of aluminum |