| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 515 | |
| #2 | China | 510 | |
| #3 | WIPO (World Intellectual Property Organization) | 433 | |
| #4 | United States | 418 | |
| #5 | Republic of Korea | 220 | |
| #6 | Australia | 141 | |
| #7 | Canada | 31 | |
| #8 | South Africa | 5 | |
| #9 | Germany | 2 | |
| #10 | Netherlands | 1 | |
| #11 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Mechanical elements | |
| #4 | Environmental technology | |
| #5 | Engines, pumps and turbines | |
| #6 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Imura Shinya | 264 |
| #2 | Ishikawa Kouji | 234 |
| #3 | Sakamoto Hiroshi | 167 |
| #4 | Moriki Hidekazu | 160 |
| #5 | Izumi Shiho | 148 |
| #6 | Hijikata Seiji | 114 |
| #7 | Ishimoto Hidefumi | 101 |
| #8 | Hoshino Masatoshi | 98 |
| #9 | Tsuruga Yasutaka | 97 |
| #10 | Nishikawa Shinji | 96 |
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