Inventor

KIKAI TAKAAKI

JP11 patents

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

NGK SPARK PLUG CO

3 patents

US9853423B1Dec 26, 2017

Spark plug

NGK SPARK PLUG CO11 citations81

US10447014B1Oct 15, 2019

Spark plug and manufacturing method therefor

NGK SPARK PLUG CO0 citations48

US8368293B2Feb 5, 2013

Spark plug and method of manufacturing the same

NGK SPARK PLUG CO0 citations45

NITERRA CO LTD

2 patents

US12308620B2May 20, 2025

Spark plug

NITERRA CO LTD0 citations60

US12407148B2Sep 2, 2025

Spark plug

NITERRA CO LTD0 citations55

TANAKA TOMO-O

2 patents

US8853928B2Oct 7, 2014

Spark plug electrode, method for producing same, spark plug, and method for producing spark plug

TANAKA TOMO-O0 citations43

US8729783B2May 20, 2014

Spark plug electrode, method for producing same, spark plug, and method for producing spark plug

TANAKA TOMO-O0 citations43

SHIBATA TSUTOMU

1 patent

US8866370B2Oct 21, 2014

Spark plug

SHIBATA TSUTOMU0 citations49

TANAKA TOMOO

1 patent

US8664842B2Mar 4, 2014

Spark plug

TANAKA TOMOO0 citations49

KIKAI TAKAAKI

1 patent

US9768588B2Sep 19, 2017

Spark plug and manufacturing method therefor

KIKAI TAKAAKI0 citations44

KANEMARU TOMONORI

1 patent

US8523625B2Sep 3, 2013

Method of manufacturing spark plug

KANEMARU TOMONORI1 citations43