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Granite Springs, NY, United States of America

Subrata Kumar Das

Average Co-Inventor Count = 2.77

ph-index = 5

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 = 437

Subrata Kumar DasPeter Gustav Fairweather (2 patents)Subrata Kumar DasDon Holmes Nix (2 patents)Subrata Kumar DasHugh Williams Adams, Jr (2 patents)Subrata Kumar DasNorman R Dixon (2 patents)Subrata Kumar DasDavid M Lubensky (1 patent)Subrata Kumar DasEa-Ee Jan (1 patent)Subrata Kumar DasAndrew Aaron (1 patent)Subrata Kumar DasRobert F Gluck (1 patent)Subrata Kumar DasSubrata Kumar Das (6 patents)Peter Gustav FairweatherPeter Gustav Fairweather (33 patents)Don Holmes NixDon Holmes Nix (2 patents)Hugh Williams Adams, JrHugh Williams Adams, Jr (2 patents)Norman R DixonNorman R Dixon (2 patents)David M LubenskyDavid M Lubensky (45 patents)Ea-Ee JanEa-Ee Jan (28 patents)Andrew AaronAndrew Aaron (20 patents)Robert F GluckRobert F Gluck (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. International Business Machines Corporation (6 from 164,108 patents)


6 patents:

1. 8139722 - System and method for expedited resolution of inquiries for an automated agent

2. 7487084 - Apparatus, program storage device and method for testing speech recognition in the mobile environment of a vehicle

3. 7270546 - System and method for interactive reading and language instruction

4. 6017219 - System and method for interactive reading and language instruction

5. 4618984 - Adaptive automatic discrete utterance recognition

6. 4570746 - Wind/breath screen for a microphone

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as of
12/3/2025
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