| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Republic of Korea | 2 | |
| #4 | Taiwan | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | China | 1 | |
| #7 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Textiles and paper | |
| #3 | Machines | |
| #4 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Paper coating | |
| #3 | Air-conditioning | |
| #4 | Unspecified technologies | |
| #5 | Making textile fabrics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yamazaki Akira | 11 |
| #2 | Murata Yuji | 11 |
| #3 | Takizawa Seiichi | 6 |
| #4 | Kisakibaru Toshirou | 2 |
| #5 | Wakayama Yoshihide | 1 |
| #6 | Yamada Takeshi | 1 |
| #7 | Okada Makoto | 1 |
| #8 | Matsuno Keiji | 1 |
| #9 | Horibe Yasunori | 1 |
| #10 | Kobayashi Sadao | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2018154299A1 | High-temperature Filter | |
| TW201639623A | Filter for high temperature use | |
| WO2006004150A1 | Bag-type air filter device, and filtration material and filtration material frame for the device | |
| US6929672B1 | Filter medium for air filter and process for producing the same |