| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | Republic of Korea | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | China | 1 | |
| #5 | Hong Kong | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Lubricating of machines | |
| #3 | Lubricating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fujii Takashi | 11 |
| #2 | Kagomiya Shigeki | 4 |
| #3 | Ukai Hidemi | 1 |
| #4 | Takashi Fujii | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20090015072A | Conductive material concentration measuring device and magnetic material concentration measuring material |