CASTLES TECHNOLOGY CO., LTD.
6Patents
6Active
6Granted
56Portfolio score
Filing activity: Oct 7, 2009 → Dec 15, 2021 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9098848B2 | Safety cover design for financial transaction device | Physics | 1 | Active |
| US12189741B2 | Password input method | Physics | 0 | Active |
| US8167201B2 | Composite chip card with a security protection interface and a method for controlling the same | Physics | 0 | Active |
| US10747964B2 | Card reader device | Physics | 0 | Active |
| US11442622B1 | Password input method | Physics | 0 | Active |
| US8127994B2 | Contactless sensing device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.