| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | China | 2 | |
| #4 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Testing of structures |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ito Masakazu | 6 |
| #2 | Mochizuki Yusuke | 4 |
| #3 | Hara Tsutomu | 4 |
| #4 | Fukushima Satsuo | 4 |
| #5 | Hirata Mao | 4 |
| #6 | Watanabe Takaaki | 2 |
| #7 | Sugihara Masaharu | 2 |
| #8 | Matsui Yuho | 2 |
| #9 | Maruno Naohiko | 2 |
| #10 | Izumo Naoto | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2021080341A1 | Sealability evaluation method and the like and standard artificial leak device | |
| WO2017208543A1 | Leak test method and simulated leaking device for leak test | |
| KR20180091901A | Leakage test apparatus and method | |
| US2016178472A1 | Leak testing apparatus and method | |
| CN101806651A | Apparatus and method for leak testing |