| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Separation | |
| #3 | Non-positive-displacement pumps | |
| #4 | Spraying devices | |
| #5 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Senga Tatsuya | 6 |
| #2 | Koyanagi Masahiro | 3 |
| #3 | Nakano Tsuyoshi | 3 |
| #4 | Higasa Tetsuo | 3 |
| #5 | Tsuruta Hidenori | 2 |
| #6 | Yoshida Shingo | 2 |
| #7 | Tanaka Shizuo | 2 |
| #8 | Murai Minoru | 2 |
| #9 | Kaneko Tomoya | 2 |
| #10 | Matsubara Takahiro | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9905436A1 | Lubricating oil holder for sliding face of shaft seal in oil chamber of underwater pump |