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II
Ippei Iwai
NC
Nhk Spring Co.
: 1 patents #14 of 79
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Overall (2021):
#423,858
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1
Patents 2021
Issued Patents
2021
Profile Widget
Patent #
Title
Co-Inventors
Date
11174880
Accumulator
Hiroshi Mizukami
,
Mieko Yanagida
2021-11-16
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