90 Utility Patents
#21 in Redwood City, CA
#2,177 in California
#6,624 in US
#11,917 in the World
Forward Citations = 5,165
Company Filing History:

Ricoh Corporation
Other
4. 4 out of 163,598

5. 1 out of 13
Richo Company, Ltd.
where one patent can have more than one assignee
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