4 Utility Patents
#3,577 in Saitama 343-0827
#193,296 in Japan
Forward Citations = 17
Company Filing History:

Nippon Leakless Industry Co., Ltd.

4. 1 out of 14
Kokoku Intech Co., Ltd.
5. 1 out of 720
Tokai Rubber Industries, Ltd.
where one patent can have more than one assignee
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