Patent assignee · SE · COMPANY

Zi Decuma AB

10Patents
6Active
10Granted
39Portfolio score

Filing activity: Jan 11, 2002 → Nov 29, 2007 · 6 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7349576B2 Method, device and computer program for recognition of a handwritten character Physics 51 Expired
US7139430B2 Character recognition Physics 50 Expired
US7313277B2 Method and device for recognition of a handwritten pattern Physics 50 Expired
US7437001B2 Method and device for recognition of a handwritten pattern Physics 46 Active
US7756335B2 Handwriting recognition using a graph of segmentation candidates and dictionary search Physics 22 Active
US7596272B2 Handling of diacritic points Physics 5 Active
US7865016B2 Method for additive character recognition and an apparatus thereof Physics 1 Active
US7580573B2 Segmentation-based recognition Physics 1 Active
US7680334B2 Presenting recognised handwritten symbols Physics 0 Expired
US8180160B2 Method for character recognition Physics 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.