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Inventor
KARIYA TOMOTAKA
JP
4 patents
⚠️ This page may combine multiple inventors who share the name “KARIYA TOMOTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KARIYA TOMOTAKA
2 patents
US8240676B2
Aug 14, 2012
Piston ring
KARIYA TOMOTAKA
4 citations
57
US8088496B2
Jan 3, 2012
Piston ring
KARIYA TOMOTAKA
4 citations
56
NIPPON PISTON RING CO LTD
1 patent
US7854191B2
Dec 21, 2010
Three-piece oil ring and combination of the three-piece oil ring and piston
NIPPON PISTON RING CO LTD
24 citations
87
TAMEGAI ETUO
1 patent
US8181968B2
May 22, 2012
Piston ring
TAMEGAI ETUO
0 citations
30