45 Utility and 1 Design Patents
#4 in Wakefield, MA
#1,125 in Massachusetts
#24,653 in US
#46,575 in the World
rank by utility patentsForward Citations = 2,494
Company Filing History:


Other
4. 2 out of 3,184

5. 1 out of 1
E Ink Corporation & Air Products and Chemical, Inc.
where one patent can have more than one assignee
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