Inventor
Chanchal Chatterjee
Inventor
San Diego, CA, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television38%
G06FElectric digital data processing24%
H03HImpedance networks, e.g. resonant circuits19%
G06TImage data processing or generation, in general10%
G01BMeasuring length, thickness or similar linear dimensions5%
G06VImage or video recognition or understanding5%
PatentTitleYear
9,582,157'User interface and program guide for a multi-program video viewing apparatus'20179,287,852'Methods and systems for efficient filtering of digital signals'20168,908,765'Method and apparatus for performing motion estimation'20147,991,813'Methods and systems for efficient filtering of digital signals'20117,636,746'Methods and systems for efficient filtering of digital signals'20097,177,889'Methods and systems for efficient filtering of digital signals'20077,130,876'Systems and methods for efficient quantization'20065,701,179'Method and system for measuring dimensions of an edge of a part'19975,604,545'Methods and apparatus for enhancing gray scale images'19975,317,652'Rotation and position invariant optical character recognition'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Based in Sterling Heights, MI, US· patent location history
1997Based in Lafayette, IN, US· patent location history
2006–2014Patents assigned to GEN INSTRUMENT CORP (5)· patent assignee history
2006–2016Based in San Diego, CA, US· patent location history
2014–2016Patents assigned to CHATTERJEE CHANCHAL (2)· patent assignee history
2014Patents assigned to EIFRIG ROBERT O (1)· patent assignee history
2014Based in Encinitas, CA, US· patent location history
2016Patents assigned to Google Technology Holdings LLC (1)· patent assignee history
2017Patents assigned to I4VU INC (1)· patent assignee history
2017Based in Saratoga, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN INSTRUMENT CORP | 5 | 2006–2014 |
| CHATTERJEE CHANCHALself | 2 | 2014–2016 |
| EIFRIG ROBERT O | 1 | 2014 |
| Google Technology Holdings LLC | 1 | 2016 |
| I4VU INC | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 5 | 2006–2016 |
| Lafayette, IN, US | 2 | 1997 |
| Saratoga, California, US | 1 | 2017 |
| Encinitas, California, US | 1 | 2014 |
| Sterling Heights, MI, US | 1 | 1994 |