DEUTSCHE TELEKOM AG
🏢 View company profile →691Patents
472Active
691Granted
57Portfolio score
Filing activity: Jun 7, 1995 → Dec 21, 2023 · 107 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD631060S1 | Transitional user interface for a portion of a display screen | General | 405 | Expired |
| USD638432S1 | Portion of a display screen with a transitional user interface | General | 312 | Expired |
| US6377610B1 | Decoding method and decoding device for a CDMA transmission system for demodulating a received signal available in serial code concatenation | Electricity | 187 | Expired |
| USD619146S1 | Transitional icon for a portion of a display screen | General | 184 | Expired |
| US6222923A | Method for securing system protected by a key hierarchy | Electricity | 127 | Expired |
| US6693544B1 | Electronic identification tag | Physics | 119 | Expired |
| US7035386B1 | Method for verifying access authorization for voice telephony in a fixed network line or mobile telephone line as well as a communications network | Electricity | 83 | Expired |
| US9369476B2 | System for detection of mobile applications network behavior-netwise | Electricity | 77 | Active |
| US6472988B1 | System for monitoring wearers of protective respiratory equipment | Human Necessities | 71 | Expired |
| US7324437B1 | Method for co-channel interference cancellation in a multicarrier communication system | Electricity | 71 | Expired |
| US6064506A | Optical multi-channel separating filter with electrically adjustable photon crystals | Emerging Cross-Sectional Technologies | 69 | Expired |
| USD601105S1 | Electronic device | General | 60 | Expired |
| US6504143B2 | Device for inputting data | Electricity | 55 | Expired |
| US6522700B1 | Method and system for the OFDM multicarrier transmission of digital broadcasting signals | Electricity | 54 | Expired |
| US8307414B2 | Method and system for distributed, localized authentication in the framework of 802.11 | Electricity | 51 | Active |
| US8024582B2 | Encryption of data to be stored in an information processing system | Physics | 49 | Expired |
| US6609139B1 | Method for generating a random number on a quantum-mechanical basis and random number generator | Physics | 47 | Expired |
| US8768389B2 | Transmission of a short message in evolved packet system | Electricity | 46 | Active |
| US8780743B2 | Method and system for improving quality of service in distributed wireless networks | Electricity | 45 | Active |
| US8516584B2 | Method and system for detecting malicious behavioral patterns in a computer, using machine learning | Physics | 39 | Active |
| US6501804B1 | Method for the transmission of digital signals | Electricity | 38 | Expired |
| USD612868S1 | Electronic device | General | 37 | Expired |
| US6760439B1 | Device for implementing a block-ciphering process | Electricity | 34 | Expired |
| US5781881A | Variable-subframe-length speech-coding classes derived from wavelet-transform parameters | Physics | 33 | Expired |
| USD620023S1 | Transitional icon for a portion of a display screen | General | 32 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.