CA

Chiranjit Acharya

SO Sony: 24 patents #1,623 of 25,231Top 7%
Overall (All Time): #423,650 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8341158 User's preference prediction from collective rating data 2012-12-25
8055597 Method and system for subspace bounded recursive clustering of categorical data 2011-11-08
8051027 Method and system for transitioning from a case-based classifier system to a rule-based classifier system 2011-11-01
7937352 Computer program product and method for folder classification based on folder content similarity and dissimilarity 2011-05-03
7844557 Method and system for order invariant clustering of categorical data Tsunayuki Ohwa, Mark Plutowski, Takashi Usuki 2010-11-30
7809665 Method and system for transitioning from a case-based classifier system to a rule-based classifier system 2010-10-05
7774288 Clustering and classification of multimedia data Khemdut Purang, Tsunayuki Ohwa, Mark Plutowski, Takashi Usuki 2010-08-10
7761394 Augmented dataset representation using a taxonomy which accounts for similarity and dissimilarity between each record in the dataset and a user's similarity-biased intuition Khemdut Purang, Mark Plutowski 2010-07-20
7664718 Method and system for seed based clustering of categorical data using hierarchies Tsunayuki Ohwa, Mark Plutowski, Takashi Usuki 2010-02-16
7640220 Optimal taxonomy layer selection method 2009-12-29
7630946 System for folder classification based on folder content similarity and dissimilarity 2009-12-08
7474997 Construction and selection of a finite mixture model for use in clustering and vector quantization 2009-01-06