11 Utility and 5 Design Patents
#14,583 in Tokyo
#76,955 in Japan
#363,101 in the World
rank by utility patentsForward Citations = 23
Company Filing History:

Nishikawa Co., Ltd.
Archem Inc.
4. 2 out of 42,470

5. 1 out of 1,028

where one patent can have more than one assignee
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