Growing community of inventors

Bochum, Germany

Frank Dufhues

Average Co-Inventor Count = 4.15

ph-index = 2

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 = 37

Frank DufhuesPeter Buth (3 patents)Frank DufhuesWolfgang Theimer (2 patents)Frank DufhuesReza Serafat (2 patents)Frank DufhuesUdo Gortz (2 patents)Frank DufhuesAmir Imam (2 patents)Frank DufhuesChristian Steinert (2 patents)Frank DufhuesThomas Druke (2 patents)Frank DufhuesKlaus Rateitschek (1 patent)Frank DufhuesKlaus Rateitscheck (1 patent)Frank DufhuesFrank Dufhues (3 patents)Peter ButhPeter Buth (9 patents)Wolfgang TheimerWolfgang Theimer (53 patents)Reza SerafatReza Serafat (17 patents)Udo GortzUdo Gortz (7 patents)Amir ImamAmir Imam (4 patents)Christian SteinertChristian Steinert (2 patents)Thomas DrukeThomas Druke (2 patents)Klaus RateitschekKlaus Rateitschek (6 patents)Klaus RateitscheckKlaus Rateitscheck (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nokia Corporation (2 from 8,282 patents)

2. Nokia Mobile Phones Limited (1 from 1,965 patents)


3 patents:

1. 7849415 - Communication terminal

2. 7039629 - Method for inputting data into a system

3. 6546369 - Text-based speech synthesis method containing synthetic speech comparisons and updates

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12/30/2025
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