Growing community of inventors

Snohomish, WA, United States of America

Keith Charles Hullfish

Average Co-Inventor Count = 4.63

ph-index = 12

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 = 1,893

Keith Charles HullfishMichael R Longé (11 patents)Keith Charles HullfishBarry Appelman (8 patents)Keith Charles HullfishAlan Keister (8 patents)Keith Charles HullfishAndrew Lee Wick (8 patents)Keith Charles HullfishJames A Odell (8 patents)Keith Charles HullfishXiaoyan Yin (8 patents)Keith Charles HullfishBarbara McNally (8 patents)Keith Charles HullfishRaine Bergstrom (8 patents)Keith Charles HullfishMichael R Longe (7 patents)Keith Charles HullfishBrian H Palmer (6 patents)Keith Charles HullfishDavid Jon Kay (5 patents)Keith Charles HullfishPim Van Meurs (5 patents)Keith Charles HullfishEthan Robert Bradford (5 patents)Keith Charles HullfishRichard Eyraud (5 patents)Keith Charles HullfishDoug Brams (5 patents)Keith Charles HullfishCharles Carey (2 patents)Keith Charles HullfishJoe Parr (2 patents)Keith Charles HullfishB Alex Robinson (1 patent)Keith Charles HullfishDouglas Brams (1 patent)Keith Charles HullfishCharles A Carey (1 patent)Keith Charles HullfishDavid J Kay (0 patent)Keith Charles HullfishMichael Long (0 patent)Keith Charles HullfishKeith Charles Hullfish (26 patents)Michael R LongéMichael R Longé (18 patents)Barry AppelmanBarry Appelman (134 patents)Alan KeisterAlan Keister (32 patents)Andrew Lee WickAndrew Lee Wick (32 patents)James A OdellJames A Odell (26 patents)Xiaoyan YinXiaoyan Yin (14 patents)Barbara McNallyBarbara McNally (9 patents)Raine BergstromRaine Bergstrom (8 patents)Michael R LongeMichael R Longe (37 patents)Brian H PalmerBrian H Palmer (7 patents)David Jon KayDavid Jon Kay (34 patents)Pim Van MeursPim Van Meurs (31 patents)Ethan Robert BradfordEthan Robert Bradford (28 patents)Richard EyraudRichard Eyraud (7 patents)Doug BramsDoug Brams (5 patents)Charles CareyCharles Carey (22 patents)Joe ParrJoe Parr (4 patents)B Alex RobinsonB Alex Robinson (7 patents)Douglas BramsDouglas Brams (1 patent)Charles A CareyCharles A Carey (3 patents)David J KayDavid J Kay (0 patent)Michael LongMichael Long (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Tegic Communications, Inc. (10 from 50 patents)

2. Facebook, Inc. (7 from 5,341 patents)

3. Nuance Communications, Inc. (6 from 1,422 patents)

4. Aol Inc. (3 from 729 patents)

5. America Online, Inc. (179 patents)


26 patents:

1. 10389661 - Managing electronic messages sent to mobile devices associated with electronic messaging accounts

2. 10187334 - User-defined electronic message preferences

3. 10033669 - Managing electronic messages sent to reply telephone numbers

4. 9894018 - Electronic messaging using reply telephone numbers

5. 9786273 - Multimodal disambiguation of speech recognition

6. 9557916 - Keyboard system with automatic correction

7. 9356890 - Enhanced buddy list using mobile device identifiers

8. 9319356 - Message delivery control settings

9. 8990738 - Explicit character filtering of ambiguous text entry

10. 8976115 - Directional input system with automatic correction

11. 8972905 - Explicit character filtering of ambiguous text entry

12. 8965964 - Managing forwarded electronic messages

13. 8782568 - Explicit character filtering of ambiguous text entry

14. 8606582 - Multimodal disambiguation of speech recognition

15. 8576167 - Directional input system with automatic correction

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as of
12/4/2025
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