| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 6 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | China | 2 | |
| #4 | Republic of Korea | 2 | |
| #5 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Inagaki Shuji | 13 |
| #2 | Shuji Inagaki | 1 |
| #3 | Maeda Kouichi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP2709134A1 | Two-stage switch | |
| CN102282637B | Metal mesh contact and switch and method for producing same | |
| WO2009123252A1 | Contact, key switch using the contact, and method for manufacturing the same | |
| WO2007091418A1 | Silent switch | |
| KR20090023611A | Switch for seesaw key | |
| WO03079385A1 | Two-stage switch device |