| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 56 | |
| #2 | United States | 36 | |
| #3 | China | 33 | |
| #4 | WIPO (World Intellectual Property Organization) | 31 | |
| #5 | EPO (European Patent Office) | 24 | |
| #6 | Republic of Korea | 7 | |
| #7 | Germany | 1 | |
| #8 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Mechanical elements | |
| #3 | Engines, pumps and turbines | |
| #4 | Measurement | |
| #5 | Civil engineering | |
| #6 | Computer technology | |
| #7 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Servomotors | |
| #3 | Lubricating of machines | |
| #4 | Supplying combustion engines | |
| #5 | Measuring force, work and fluid pressure | |
| #6 | Analysing materials | |
| #7 | Pumps | |
| #8 | Dredging | |
| #9 | Data recognition and presentation | |
| #10 | Vehicle transmission mounting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kitajima Nobuyuki | 77 |
| #2 | Ishizuka Makoto | 46 |
| #3 | Okamoto Mitsunobu | 27 |
| #4 | Komine Akiyoshi | 24 |
| #5 | Wakabayashi Masanori | 23 |
| #6 | Oshita Tatsuhiro | 16 |
| #7 | Yamaguchi Mitsuhiro | 15 |
| #8 | Sasaki Nobuki | 13 |
| #9 | Okamoto Minobu | 13 |
| #10 | Nodomi Youichi | 12 |
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