Inventor

AMANO KOZO

JP8 patents

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

NGK SPARK PLUG CO

6 patents

US5793151AAug 11, 1998

Creeping discharge spark plug

NGK SPARK PLUG CO23 citations92

US5736809AApr 7, 1998

Method of making a spark plug including laser welding a noble metal layer to a firing end of electrode

NGK SPARK PLUG CO17 citations83

US4984905AJan 15, 1991

AMANO KOZO

1 patent

US3939577AFeb 24, 1976

Practice board for contract bridge games

AMANO KOZO5 citations55

KUMAGAI KENICHI

1 patent

US8288928B2Oct 16, 2012

Spark plug for internal combustion engine

KUMAGAI KENICHI0 citations44

AMANO KOZO

NGK SPARK PLUG CO

Creeping discharge spark plug

Method of making a spark plug including laser welding a noble metal layer to a firing end of electrode

Temperature and pressure detecting type spark plug

Multi-polarity type spark plug for use in an internal combustion engine

Spark plug with pressure sensor

Spark plug for internal combustion engine

AMANO KOZO

Practice board for contract bridge games

KUMAGAI KENICHI

Spark plug for internal combustion engine