16 Utility Patents
#389 in Kobe
#49,178 in Japan
#228,878 in the World
Forward Citations = 50
Company Filing History:

Other
Risetec Co. Ltd.
4. 1 out of 1
Watanabe Mfg. Co., Ltd.
5. 1 out of 32

where one patent can have more than one assignee
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