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HA
Hiroki Aikawa
DI
Disco
: 1 patents #45 of 169
Top 30%
Overall (2022):
#434,495
of 548,613
Top 80%
1
Patents 2022
Issued Patents
2022
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Patent #
Title
Co-Inventors
Date
11229986
Annular grindstone
—
2022-01-25
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