Inventor
IMAMOTO YOSHIMI
JP4 patents
Patents
4 patentsUS10544865B2Jan 28, 2020
Sealing device
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US6733143B1May 11, 2004
Light shielding structure
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US7100923B2Sep 5, 2006
Magnetic fluid seal device
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US6830248B2Dec 14, 2004
Magnetic fluid sealer and method for mounting magnetic fluid sealer
NOK CORP0 citations38