| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Republic of Korea | 3 | |
| #4 | United States | 3 | |
| #5 | China | 1 | |
| #6 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Control | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion | |
| #2 | Ships | |
| #3 | Pistons and sealings | |
| #4 | Traffic control systems | |
| #5 | Rotary-pistons | |
| #6 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tomita Yukio | 12 |
| #2 | Wakabayashi Takanori | 7 |
| #3 | Tomita Kazushi | 5 |
| #4 | Yamamoto Hirotaka | 5 |
| #5 | Nabeshima Kenjiro | 5 |
| #6 | Wakabayashi Takayuki | 5 |
| #7 | Arii Toshihiko | 4 |
| #8 | Namatame Toshiro | 3 |
| #9 | Morimoto Takashi | 2 |
| #10 | Eguchi Yoshimasa | 2 |