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

Daisuke Takuma — 46 Patents

IBM: 46 patents #1,927 of 70,183Top 3%
Toshima, JP: #2 of 127 inventorsTop 2%
Overall (All Time): #62,001 of 4,157,543Top 2%
46 Patents All Time
Daisuke Takuma has been granted 46 US patents while listed as an inventor at IBM. The first was granted in 2009 and the most recent in April 2025. Daisuke Takuma ranks #62,001 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Daisuke Takuma in Toshima, JP.

Patents per Year

Patents granted per year, 2009 to 2025Bar chart with a peak of 7 patents in 2017.peak 72009: 2 patents20092011: 4 patents2012: 2 patents20122013: 1 patents2016: 1 patents20162017: 7 patents2018: 7 patents20182019: 6 patents2020: 5 patents20202021: 4 patents2022: 3 patents20222023: 2 patents2024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 46 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12277389 Text mining based on document structure information extraction Tetsuya Nasukawa, Shoko Suzuki, Issei Yoshida 2025-04-15
12111868 Suggesting query terms Noriyuki Ikawa 2024-10-08 $24,159,000
11829716 Suggestion of an output candidate Emiko Takeuchi, Yoshinori Kabeya 2023-11-28 $7,743,000
11816581 Computation reduction using a decision tree classifier for faster neural transition-based parsing Ryosuke Kohita 2023-11-14 $8,271,000
11526522 Collaborative search of databases Emiko Takeuchi, Hirobumi Toyoshima 2022-12-13 $8,590,000
11423325 Regression for metric dataset Yoshinori Kabeya, Emiko Takeuchi, Hirobumi Toyoshima 2022-08-23 $8,523,000
11316982 Call transfer support system Emiko Takeuchi, Yoshinori Kabeya 2022-04-26 $5,083,000
11200715 Automated creation and design of presentation charts Yoshinori Kabeya, Emiko Takeuchi 2021-12-14 $4,192,000
11057526 Call transfer support system Emiko Takeuchi, Yoshinori Kabeya 2021-07-06 $5,313,000
11010552 Detecting expressions learned based on a theme and on word correlation and co-occurence Emiko Takeuchi, Hirobumi Toyoshima 2021-05-18 $4,116,000
10885121 Fast filtering for similarity searches on indexed data 2021-01-05 $2,293,000
10810497 Supporting generation of a response to an inquiry Emiko Takeuchi, Hirobumi Toyoshima 2020-10-20 $3,651,000
10783592 Collecting social media users in a specific customer segment Shunichi Amano, Kohichi Kamijoh, Masaki Ono 2020-09-22 $3,040,000
10606944 Categorizing keywords Emiko Takeuchi, Hirobumi Toyoshima 2020-03-31 $1,667,000
10528523 Validation of search query in data analysis system Yohei Ikawa 2020-01-07 $1,754,000
10528575 Collaborative search of databases Emiko Takeuchi, Hirobumi Toyoshima 2020-01-07 $1,754,000
10395325 Legal document search based on legal similarity Katsumasa Yoshikawa 2019-08-27 $1,335,000
10353932 Text processing method, system and computer program Hiroki Yanagisawa 2019-07-16 $4,107,000
10296579 Generation apparatus, generation method, and program Emiko Takeuchi, Hirobumi Toyoshima 2019-05-21 $2,520,000
10289674 Generation apparatus, generation method, and program Emiko Takeuchi, Hirobumi Toyoshima 2019-05-14 $3,761,000
10275447 Detecting dangerous expressions based on a theme Emiko Takeuchi, Hirobumi Toyoshima 2019-04-30 $3,198,000
10176274 Pattern matching based character string retrieval Emiko Takeuchi, Hirobumi Toyoshima 2019-01-08 $2,287,000
10007740 Pattern matching based character string retrieval Emiko Takeuchi, Hirobumi Toyoshima 2018-06-26 $3,428,000
10002450 Analyzing a document that includes a text-based visual representation Emiko Takeuchi, Hirobumi Toyoshima 2018-06-19 $3,279,000
9946812 Pattern matching based character string retrieval Emiko Takeuchi, Hirobumi Toyoshima 2018-04-17 $1,989,000