Inventor
OZAKI TAKUYA
JP5 patents
⚠️ This page may combine multiple inventors who share the name “OZAKI TAKUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON PISTON RING CO LTD
4 patentsUS9863534B2Jan 9, 2018
Hard carbon coating film
NIPPON PISTON RING CO LTD2 citations70
US10619739B2Apr 14, 2020
Piston ring
NIPPON PISTON RING CO LTD1 citations59
US10578214B2Mar 3, 2020
Piston ring and manufacturing method therefor
NIPPON PISTON RING CO LTD1 citations59
US10087513B2Oct 2, 2018
Piston ring and manufacturing method therefor
NIPPON PISTON RING CO LTD0 citations39