Assignee
FUJI HOLLOW VALVE INC
JP·3 granted patents·4 citations·filing 2015–2019
Top patents by PatentIndex Score
3 records- 0186US10526933B2Hollow engine valve and manufacturing method thereforFUJI HOLLOW VALVE INC·Filed 2015·Granted Jan 7, 2020·4 cites·3 claims
- 0260US11215091B2Hollow engine valve and manufacturing method thereforFUJI HOLLOW VALVE INC·Filed 2019·Granted Jan 4, 2022·0 cites·1 claims
- 0334US10677110B2Method and device for manufacturing metallic-sodium-filled engine valveFUJI HOLLOW VALVE INC·Filed 2016·Granted Jun 9, 2020·0 cites·7 claims
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