| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 5 | |
| #2 | United States | 3 | |
| #3 | Taiwan | 2 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Semiconductors | |
| #3 | Machine tools | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Semiconductor devices | |
| #3 | Pistons and sealings | |
| #4 | Pipes | |
| #5 | Soldering, welding and flame cutting | |
| #6 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sogao Masahiko | 8 |
| #2 | Nagao Masakazu | 6 |
| #3 | Mouri Tomohiro | 6 |
| #4 | Inada Toshiyuki | 3 |
| #5 | Watanabe Kazunari | 3 |
| #6 | Nakata Tomohiro | 2 |
| #7 | Obara Shunji | 2 |
| #8 | Shikata Izuru | 2 |
| #9 | Shinohara Tsutomu | 2 |
| #10 | Tanno Ryutaro | 1 |
| Publication | Filing date | Title |
|---|---|---|
| KR20200032192A | Gas supply system | |
| WO2017022838A1 | Valve | |
| KR20180039659A | Pipe joint, fluid control device, fluid control device, semiconductor manufacturing device, and manufacturing method of pipe joint |