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Inventor
KITAZUME YUTAKA
JP
4 patents
⚠️ This page may combine multiple inventors who share the name “KITAZUME YUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TPR CO LTD
3 patents
US11242929B2
Feb 8, 2022
Piston ring
TPR CO LTD
0 citations
59
US11867295B2
Jan 9, 2024
Sliding member
TPR CO LTD
0 citations
56
US11867294B2
Jan 9, 2024
Sliding member
TPR CO LTD
0 citations
54
AYUZAWA NORIAKI
1 patent
US9458933B2
Oct 4, 2016
Combination oil ring
AYUZAWA NORIAKI
5 citations
64