Inventor · Palo Alto, CA, US

Ciprian Chelba

46Patents
13h-index
47Co-inventors
81Inventor score

Filing activity: May 20, 2002 → Apr 6, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8453058B1 Crowd-sourced audio shortcuts Physics 346 Active
US7877258B1 Representing n-gram language models for compact storage and fast retrieval Physics 61 Active
US7634407B2 Method and apparatus for indexing speech Physics 51 Active
US9190054B1 Natural language refinement of voice and text entry Physics 48 Active
US7478038B2 Language model adaptation using semantic supervision Physics 37 Expired
US7805302B2 Applying a structured language model to information extraction Physics 31 Active
US8782549B2 Incremental feature-based gesture-keyboard decoding Physics 26 Active
US7379867B2 Discriminative training of language models for text and speech classification Physics 25 Expired
US7809568B2 Indexing and searching speech with text meta-data Physics 22 Active
US8965763B1 Discriminative language modeling for automatic speech recognition with a weak acoustic model and distributed training Physics 20 Active
US8335683B2 System for using statistical classifiers for spoken language understanding Physics 18 Active
US8706491B2 Applying a structured language model to information extraction Physics 14 Active
US8832589B2 Touch keyboard using language and spatial models Electricity 13 Active
US8306818B2 Discriminative training of language models for text and speech classification Physics 12 Active
US9830311B2 Touch keyboard using language and spatial models Electricity 12 Active
US8725509B1 Back-off language model compression Physics 12 Active
US7831425B2 Time-anchored posterior indexing of speech Physics 10 Active
US7117153B2 Method and apparatus for predicting word error rates from text Physics 10 Expired
US7103544B2 Method and apparatus for predicting word error rates from text Physics 10 Expired
US8175878B1 Representing n-gram language models for compact storage and fast retrieval Physics 9 Active
US8990692B2 Time-marked hyperlinking to video content Electricity 9 Active
US7788096B2 Method and apparatus for generating decision tree questions for speech processing Physics 8 Expired
US8494850B2 Speech recognition using variable-length context Physics 8 Active
US7406416B2 Representation of a deleted interpolation N-gram language model in ARPA standard format Physics 8 Active
US9047268B2 Character and word level language models for out-of-vocabulary text input Physics 7 Active

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