| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 12 | |
| #2 | China | 8 | |
| #3 | EPO (European Patent Office) | 8 | |
| #4 | Republic of Korea | 6 | |
| #5 | United States | 4 | |
| #6 | Canada | 1 | |
| #7 | EAPO (Eurasian Patent Organization) | 1 | |
| #8 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Surface technology and coating | |
| #4 | Macromolecular chemistry and polymers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fukuta Kenji | 20 |
| #2 | Aritomi Toshio | 19 |
| #3 | Kishino Masayuki | 17 |
| #4 | Nishio Kazunori | 12 |
| #5 | Mizuguchi Kazuo | 11 |
| #6 | Ohmura Nobuhiko | 8 |
| #7 | Kawashima Minoru | 8 |
| #8 | Yoshida Minoru | 6 |
| #9 | Miya Tatsuhiko | 6 |
| #10 | Yoshie Kiyotaka | 6 |
| Publication | Filing date | Title |
|---|---|---|
| WO2020100678A1 | Ion exchange membrane assessment method and assessment device | |
| US2021008499A1 | Bipolar membrane and process for producing the same | |
| WO2018164143A1 | Electrodialysis apparatus and reverse electrodialysis apparatus | |
| KR20190053177A | Ion exchange membrane | |
| US2019118144A1 | Bipolar membrane | |
| WO2012133538A1 | Ion-exchange membrane |