| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 19 | |
| #2 | EPO (European Patent Office) | 17 | |
| #3 | Republic of Korea | 17 | |
| #4 | China | 16 | |
| #5 | United States | 13 | |
| #6 | Taiwan | 11 | |
| #7 | Brazil | 9 | |
| #8 | Canada | 6 | |
| #9 | Australia | 2 | |
| #10 | South Africa | 2 | |
| #11 | Israel | 1 | |
| #12 | Mexico | 1 | |
| #13 | Norway | 1 | |
| #14 | New Zealand | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Turning | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Sawing | |
| #5 | Earth drilling | |
| #6 | Coating metallic material | |
| #7 | Metal-working | |
| #8 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nomura Takuji | 98 |
| #2 | Sakai Makoto | 35 |
| #3 | Takuji Nomura | 17 |
| #4 | Hanabusa Nobuyuki | 12 |
| #5 | Makoto Sakai | 8 |
| #6 | Nobuyuki Hanabusa | 2 |
| #7 | Sakai Makato | 1 |
| #8 | Sakai Mokoto | 1 |
| #9 | Hababusa Nobuyuki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US7004691B2 | Deep hole cutter |