| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 7 | |
| #2 | Japan | 3 | |
| #3 | China | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Hong Kong | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Compounds containing metals | |
| #2 | Water treatment | |
| #3 | Chemical or physical processes | |
| #4 | Inorganic compounds | |
| #5 | Separation | |
| #6 | Cleaning heat-exchanger internal surfaces | |
| #7 | Cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hirokawa Toshiyasu | 14 |
| #2 | Noishiki Tsuyoshi | 14 |
| #3 | Kimura Nobuo | 13 |
| #4 | Amaike Masato | 10 |
| #5 | Takahashi Yukiko | 9 |
| #6 | Tateishi Yuichi | 3 |
| #7 | Kitamura Hiroshi | 2 |
| #8 | Nishimura Seiji | 2 |
| #9 | Hirokawa Noriyasu | 1 |
| #10 | Kamibayashi Mamoru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020124724A | Laser welding system | |
| JP2019147156A | Welding device and welding system | |
| JP2019011221A | Phosphoric acid recovery method | |
| WO2017081857A1 | Adsorption-member support body | |
| WO2017061117A1 | Adsorbent dispersion and adsorption method | |
| WO2017061115A1 | Adsorbent particles and granular adsorbent | |
| WO2017061118A1 | Anion adsorption method | |
| WO2007108216A1 | Cleaning device using water-based cleaning liquid |