| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 670 | |
| #2 | United States | 18 | |
| #3 | EPO (European Patent Office) | 17 | |
| #4 | WIPO (World Intellectual Property Organization) | 10 | |
| #5 | Australia | 6 | |
| #6 | China | 6 | |
| #7 | Canada | 4 | |
| #8 | Republic of Korea | 3 | |
| #9 | Brazil | 2 | |
| #10 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Optics | |
| #6 | Materials and metallurgy | |
| #7 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Takagi Koji | 67 |
| #2 | Chisaka Yukinori | 45 |
| #3 | Otsuka Hideki | 40 |
| #4 | Egami Kenichiro | 38 |
| #5 | Nishino Kimihisa | 37 |
| #6 | Daizen Masaaki | 36 |
| #7 | Sakuma Eiji | 32 |
| #8 | Aoki Takaaki | 26 |
| #9 | Nagamine Yoichi | 25 |
| #10 | Nakamura Hidehiko | 24 |
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