| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Taiwan | 3 | |
| #3 | China | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Republic of Korea | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Transport | |
| #3 | Thermal processes | |
| #4 | Medical technology | |
| #5 | Machines | |
| #6 | Materials and metallurgy | |
| #7 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons | |
| #2 | Details of furnaces | |
| #3 | Unspecified technologies | |
| #4 | Operating tables | |
| #5 | Motor vehicles | |
| #6 | Hand carts | |
| #7 | Furnaces | |
| #8 | Metal tempering | |
| #9 | Cleaning | |
| #10 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Okada Motohiro | 10 |
| #2 | Nakatsukasa Eiji | 6 |
| #3 | Kamoto Katsutoshi | 5 |
| #4 | Mikami Kanji | 5 |
| #5 | Hanami Hidenori | 3 |
| #6 | Kitamura Hiroharu | 3 |
| #7 | Motohiro Okada | 1 |
| #8 | Yamauchi Ippei | 1 |
| #9 | Takeda Masao | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP1988290A1 | Gear pump | |
| EP1852612A1 | Gear pump | |
| US6752400B2 | Moving unit |