4 Utility and 1 Design Patents
#608 in Machida
#193,296 in Japan
rank by utility patentsForward Citations = 46
Company Filing History:

Showa Electric Wire & Cable Co., Ltd.
Itt Canon Co., Ltd.
4. 2 out of 2
Ltel Corporation
5. 1 out of 820

where one patent can have more than one assignee
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