| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | EPO (European Patent Office) | 9 | |
| #3 | Republic of Korea | 8 | |
| #4 | China | 7 | |
| #5 | Taiwan | 5 | |
| #6 | WIPO (World Intellectual Property Organization) | 4 | |
| #7 | United Kingdom | 2 | |
| #8 | Mexico | 1 |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tanaka Arata | 23 |
| #2 | Iwai Masaaki | 19 |
| #3 | Takizawa Tsuyoshi | 14 |
| #4 | Yokota Takayuki | 7 |
| #5 | Nomura Keiichiro | 7 |
| #6 | Yamaoka Toshikazu | 7 |
| #7 | Sakamoto Satoshi | 5 |
| #8 | Arata Tanaka | 4 |
| #9 | Suzuki Katsuaki | 4 |
| #10 | Ikeno Toshiya | 3 |
| Publication | Filing date | Title |
|---|---|---|
| KR20200107839A | Sealing body | |
| CN109216112A | fuse element | |
| TW201837951A | Thermosensitive actuating unit | |
| TW201830416A | Machine and method for preventing machine malfunction | |
| US2017278600A1 | Ptc device and secondary battery having same | |
| WO2017094400A1 | Ptc element | |
| WO2017056988A1 | Protection element | |
| TW201703064A | Protection element | |
| EP3193342A1 | Protection element | |
| US2016086753A1 | Protection device | |
| US2015035641A1 | Protection device | |
| EP2590179A1 | Ptc device and secondary battery having same |