P

Inventor

KUKI HIROAKI

JP11 patents
⚠️ This page may combine multiple inventors who share the name “KUKI HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK SPARK PLUG CO

7 patents
US6724133B2Apr 20, 2004

Spark plug with nickel alloy electrode base material

NGK SPARK PLUG CO18 citations83
US6472801B1Oct 29, 2002

Spark plug with a corrosion impeding layer

NGK SPARK PLUG CO17 citations82
US6759795B2Jul 6, 2004

Spark plug

NGK SPARK PLUG CO9 citations72
US8384277B2Feb 26, 2013

Spark plug with an identifier

NGK SPARK PLUG CO3 citations62
US7528534B2May 5, 2009

Spark plug

NGK SPARK PLUG CO4 citations62
US9124074B2Sep 1, 2015

Spark plug reducing metal shell to improve fouling resistance

NGK SPARK PLUG CO0 citations41
US9660422B2May 23, 2017

Spark plug for voltage resistance and suppression of side sparking and oxidation

NGK SPARK PLUG CO0 citations38

YAMADA YUICHI

2 patents
US8970097B2Mar 3, 2015

Spark plug for internal combustion engine

YAMADA YUICHI4 citations65
US8664843B2Mar 4, 2014

Spark plug

YAMADA YUICHI0 citations39

NUNOME KENJI

1 patent
US8120235B2Feb 21, 2012

Spark plug for internal combustion engine and method for manufacturing spark plug

NUNOME KENJI4 citations61

ISHIDA KENJI

1 patent
US8188642B2May 29, 2012

Spark plug for internal combustion engine

ISHIDA KENJI1 citations51