22 Utility and 6 Design Patents
#266 in Wako
#31,893 in Japan
#147,832 in the World
rank by utility patentsForward Citations = 184
Company Filing History:

Hitachi Koki Co., Ltd.
Victor Company of Japan, Limited
4. 3 out of 10,092

5. 3 out of 19
Jvc Victor Company of Japan, Ltd.
where one patent can have more than one assignee
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