5 Utility Patents
#1,933 in Wako
#162,247 in Japan
#823,635 in the World
Forward Citations = 9
Company Filing History:

Shishiai-kabushikigaisha
where one patent can have more than one assignee
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#1,933 in Wako
#162,247 in Japan
#823,635 in the World
Company Filing History:

Get your Inventor Badge Today