| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 15 | |
| #2 | EPO (European Patent Office) | 8 | |
| #3 | United States | 8 | |
| #4 | WIPO (World Intellectual Property Organization) | 6 | |
| #5 | China | 3 | |
| #6 | Republic of Korea | 3 | |
| #7 | Hong Kong | 2 | |
| #8 | Brazil | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Turning | |
| #2 | Working stone | |
| #3 | Unspecified technologies | |
| #4 | Earth drilling | |
| #5 | Accessories for machine tools | |
| #6 | Foundations and excavations | |
| #7 | Percussive tools | |
| #8 | Working metallic powder | |
| #9 | Alloys | |
| #10 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Miyanaga Masaaki | 43 |
| #2 | Masaaki Miyanaga | 3 |
| Publication | Filing date | Title |
|---|---|---|
| WO2020021771A1 | Core cutter and cutting method using same | |
| US2018187709A1 | Anchor bolt | |
| EP3257643A1 | Dust suction drill, system and dust suction unit | |
| EP2716425A1 | Coolant supply device and electric drill unit provided with coolant supply device |