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Inventor
HATTORI KENGO
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “HATTORI KENGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
2 patents
US12308619B2
May 20, 2025
Noble metal tip for spark plug, electrode for spark plug, and spark plug
NGK SPARK PLUG CO
0 citations
58
US11616346B2
Mar 28, 2023
Spark plug
NGK SPARK PLUG CO
0 citations
51
NITERRA CO LTD
1 patent
US12407148B2
Sep 2, 2025
Spark plug
NITERRA CO LTD
0 citations
55