| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 8 | |
| #2 | Republic of Korea | 8 | |
| #3 | EPO (European Patent Office) | 7 | |
| #4 | Taiwan | 7 | |
| #5 | United States | 7 | |
| #6 | WIPO (World Intellectual Property Organization) | 6 | |
| #7 | Germany | 2 | |
| #8 | Brazil | 1 | |
| #9 | Israel | 1 | |
| #10 | Mexico | 1 | |
| #11 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Chemical engineering | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Measuring light | |
| #3 | Cleaning | |
| #4 | Water treatment | |
| #5 | Separation | |
| #6 | Measuring length, angles and areas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Amamiya Hideyuki | 43 |
| #2 | Tanaka Masanosuke | 12 |
| #3 | Kubota Akihito | 10 |
| #4 | Torigoe Yoshiaki | 8 |
| #5 | Ohsuga Jun | 6 |
| #6 | Sakuma Akiho | 6 |
| #7 | Kiire Tomohiro | 6 |
| #8 | Sekiguchi Kiminori | 6 |
| #9 | Nakajima Yoshinori | 6 |
| #10 | Higuchi Junji | 6 |
| Publication | Filing date | Title |
|---|---|---|
| EP3783348A1 | Oil deterioration detection device, sensor cover for oil deterioration detection device, and method for measuring degree of oil deterioration | |
| US2019003963A1 | Nondestructive measurement apparatus | |
| US2016356690A1 | Viscometer using reaction torque measurement based on rotational phase difference | |
| WO2016185524A1 | Oil degradation meter and method for evaluating oil degradation | |
| CN102495024A | Salinity concentration measuring device and salinity concentration measuring method |