Growing community of inventors

Ratingen, Germany

Walter Keller

Average Co-Inventor Count = 1.00

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 103

Walter KellerWalter Keller (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. T-mobile Deutschland Gmbh (7 from 77 patents)

2. Deutschetelekom Ag (700 patents)


7 patents:

1. 8089495 - Method for the display of standardized large-format internet pages with for example HTML protocol on hand-held devices with a mobile radio connection

2. 8010641 - Method for coupling online and internet services

3. 7505834 - Method for effecting the preventive and/or current display of transmission costs during the transmission of internet and online data

4. 7277435 - Method for carrying out monitoring in packet-oriented telecommunication and data networks

5. 7206318 - Method and arrangement for the improved exploitation of technical resources between telecommunications networks and IP-networks

6. 7027807 - Method for the user-initiated automatic subscription

7. 6963638 - Method for using alphanumerical signs as a call number

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as of
12/21/2025
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