Inventor · Tokyo, JP

Satoshi Asakawa

11Patents
8h-index
17Co-inventors
69Inventor score

Filing activity: Jan 11, 1989 → Aug 10, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US5832476A Document searching method using forward and backward citation tables Emerging Cross-Sectional Technologies 139 Expired
US5220625A Information search terminal and system Emerging Cross-Sectional Technologies 85 Expired
US5469354A Document data processing method and apparatus for document retrieval Emerging Cross-Sectional Technologies 85 Expired
US5745745A Text search method and apparatus for structured documents Emerging Cross-Sectional Technologies 82 Expired
US5748953A Document search method wherein stored documents and search queries comprise segmented text data of spaced, nonconsecutive text elements and words segmented by predetermined symbols Emerging Cross-Sectional Technologies 63 Expired
US5454105A Document information search method and system Emerging Cross-Sectional Technologies 51 Expired
US4994967A Information retrieval system with means for analyzing undefined words in a natural language inquiry Physics 30 Expired
US7394603B2 Lens driving apparatus Physics 15 Active
US8520122B2 Lens driving device, autofocus camera, and camera-equipped mobile terminal Physics 3 Active
US8566094B2 Information processing apparatus, information processing method, and program Physics 2 Active
US9817889B2 Speech-based pronunciation symbol searching device, method and program using correction distance Physics 0 Active

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