Inventor

TSUMAGARI SHOMA

JP3 patents

⚠️ This page may combine multiple inventors who share the name “TSUMAGARI SHOMA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK SPARK PLUG CO

2 patents

US11005237B2May 11, 2021

Ignition plug

NGK SPARK PLUG CO2 citations69

US10153622B1Dec 11, 2018

Spark plug having the thickness of a magnetic member without excessively narrowing an electrode member

NGK SPARK PLUG CO1 citations49

NITERRA CO LTD

1 patent

US12095235B2Sep 17, 2024

Spark plug

NITERRA CO LTD0 citations46