Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CA

Christopher F. Ackermann — 24 Patents

IBM: 24 patents #4,444 of 70,183Top 7%
King City, CA: #12 of 852 inventorsTop 2%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Christopher F. Ackermann has been granted 24 US patents while listed as an inventor at IBM. The first was granted in 2018 and the most recent in July 2024. Christopher F. Ackermann ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Christopher F. Ackermann in King City, ON, CA.

Patents per Year

Patents granted per year, 2018 to 2024Bar chart with a peak of 9 patents in 2022.peak 92018: 2 patents20182019: 2 patents20192020: 2 patents20202021: 4 patents20212022: 9 patents20222023: 4 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12045243 Ranking entity search results based on information density Charles E. Beller, Michael Drzewucki 2024-07-23 $16,565,000
11762810 Identification of restrictors to form unique descriptions for generation of answers to questions Donna K. Byron, Charles E. Beller, Edward G. Katz 2023-09-19 $7,535,000
11755633 Entity search system Charles E. Beller, Michael Drzewucki, Kristen M. Summers 2023-09-12 $5,734,000
11551006 Removal of personality signatures Charles E. Beller, Kristen M. Summers, David McQuenney, Rob High 2023-01-10 $10,956,000
11544312 Descriptor uniqueness for entity clustering Donna K. Byron, Edward G. Katz, Charles E. Beller 2023-01-03 $14,209,000
11514095 Tiered retrieval of secured documents Michael Drzewucki, Charles E. Beller 2022-11-29 $7,547,000
11468050 Learning user synonyms from sequenced query sessions Charles E. Beller, Stephen A. Boxwell, Edward G. Katz, Kristen M. Summers 2022-10-11 $33,715,000
11443101 Flexible pseudo-parsing of dense semi-structured text Charles E. Beller, Michael Drzewucki 2022-09-13 $6,415,000
11334716 Document anonymization including selective token modification Charles E. Beller, Kristen M. Summers, David McQuenney, Rob High 2022-05-17 $6,899,000
11288320 Methods and systems for providing suggestions to complete query sessions Charles E. Beller, Kristen M. Summers, Rob High, David McQueeney 2022-03-29 $6,469,000
11275777 Methods and systems for generating timelines for entities Charles E. Beller, Michael Drzewucki 2022-03-15 $4,817,000
11243955 Latent token representations for passage and answer scoring in question answering systems Charles E. Beller, Stephen A. Boxwell, Edward G. Katz, Kristen M. Summers 2022-02-08 $4,353,000
11226972 Ranking collections of document passages associated with an entity name by relevance to a query Kristen M. Summers, Andrew Doyle, Michael Drzewucki, Charles E. Beller 2022-01-18 $5,274,000
11222057 Methods and systems for generating descriptions utilizing extracted entity descriptors Charles E. Beller, Edward G. Katz, Kristen M. Summers 2022-01-11 $4,843,000
11170010 Methods and systems for iterative alias extraction Charles E. Beller, Edward G. Katz, Michael Drzewucki, Kristen M. Summers 2021-11-09 $5,376,000
11144337 Implementing interface for rapid ground truth binning Charles E. Beller, Michael Drzewucki 2021-10-12 $3,967,000
11132358 Candidate name generation Charles E. Beller, Kristen M. Summers, Michael Drzewucki, Andrew Doyle 2021-09-28 $6,479,000
10936819 Query-directed discovery and alignment of collections of document passages for improving named entity disambiguation precision Charles E. Beller, Michael Drzewucki, Andrew Doyle, Edward G. Katz, Kristen M. Summers 2021-03-02 $2,720,000
10803100 Tagging named entities with source document topic information for deep question answering William G. Dubyak, Edward G. Katz, Nicole M. O'Connor 2020-10-13 $4,674,000
10572597 Resolution of acronyms in question answering systems Charles E. Beller, Stephen A. Boxwell, Edward G. Katz, Kristen M. Summers 2020-02-25 $1,919,000
10303766 System and method for supplementing a question answering system with mixed-language source documents Charles E. Beller, Stephen A. Boxwell, Stanley J. Vernier 2019-05-28 $2,255,000
10303767 System and method for supplementing a question answering system with mixed-language source documents Charles E. Beller, Stephen A. Boxwell, Stanley J. Vernier 2019-05-28 $2,255,000
9996525 System and method for supplementing a question answering system with mixed-language source documents Charles E. Beller, Stephen A. Boxwell, Stanley J. Vernier 2018-06-12 $1,886,000
9996526 System and method for supplementing a question answering system with mixed-language source documents Charles E. Beller, Stephen A. Boxwell, Stanley J. Vernier 2018-06-12 $1,886,000