Assignee
NIPPON ITF INC
JP·9 granted patents·12 citations·filing 2003–2018
Top patents by PatentIndex Score
9 records- 0184US11247903B2Coating film, method for manufacturing same, and PVD apparatusNIPPON ITF INC·Filed 2017·Granted Feb 15, 2022·2 cites·14 claims
- 0284US10458548B2Piston ring and method for manufacturing sameNIPPON ITF INC·Filed 2015·Granted Oct 29, 2019·2 cites·14 claims
- 0376US10428416B2Coating film, manufacturing method for same, and PVD deviceNIPPON ITF INC·Filed 2014·Granted Oct 1, 2019·3 cites·12 claims
- 0454US6998034B2Vacuum arc deposition apparatusNIPPON ITF INC·Filed 2003·Granted Feb 14, 2006·5 cites·10 claims
- 0553US11261519B2Coating film, manufacturing method therefor, and PVD apparatusNIPPON ITF INC·Filed 2016·Granted Mar 1, 2022·0 cites·22 claims
- 0648US11851741B2Hard carbon film, manufacturing method for same, and sliding memberNIPPON ITF INC·Filed 2018·Granted Dec 26, 2023·0 cites·14 claims
- 0748US10457885B2Coating film, manufacturing method for same, and PVD deviceNIPPON ITF INC·Filed 2014·Granted Oct 29, 2019·0 cites·17 claims
- 0846US10634249B2Piston ring and engineNIPPON ITF INC·Filed 2015·Granted Apr 28, 2020·0 cites·15 claims
- 0937US9953808B2Arc evaporation sourceNIPPON ITF INC·Filed 2013·Granted Apr 24, 2018·0 cites·4 claims
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