Inventor · Yokohama, JP

Yohei Ikawa

23Patents
3h-index
17Co-inventors
56Inventor score

Filing activity: Jul 30, 2009 → Aug 15, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9720904B2 Generating training data for disambiguation Physics 5 Active
US8924852B2 Apparatus, method, and program for supporting processing of character string in document Physics 5 Active
US9483462B2 Generating training data for disambiguation Physics 3 Active
US9043339B2 Extracting terms from document data including text segment Physics 2 Active
US8463794B2 Computer system, method, and computer program for extracting terms from document data including text segment Physics 2 Active
US9705837B2 Method, computer program and computer for detecting trends in social media Electricity 1 Active
US10984033B2 Determination of expertness level for a target keyword Physics 0 Active
US10424030B2 Evaluation of document difficulty Physics 0 Active
US11544466B2 Optimized document score system using sentence structure analysis function Physics 0 Active
US9954960B2 Method, computer program and computer for estimating location based on social media Electricity 0 Active
US10606914B2 Apparatus for webpage scoring Physics 0 Active
US11314839B2 Apparatus for webpage scoring Physics 0 Active
US11775764B2 Estimating output confidence for black-box API Physics 0 Active
US9154918B2 Estimating location based on social media Electricity 0 Active
US10102280B2 Determination of expertness level for a target keyword Physics 0 Active
US10834042B2 Inference of location where each textual message was posted Physics 0 Active
US10528523B2 Validation of search query in data analysis system Physics 0 Active
US10929617B2 Text analysis in unsupported languages using backtranslation Physics 0 Active
US10356186B2 Method, computer program and computer for estimating location based on social media Electricity 0 Active
US10068009B2 Method, computer program and computer for detecting communities in social media Electricity 0 Active
US12210838B2 Estimating output confidence for black-box API Physics 0 Active
US9659098B2 Method, computer program and computer for detecting communities in social media Electricity 0 Active
US9380121B2 Method, computer program and computer for estimating location based on social media Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.