P

Inventor

TAKAMURA KOZO

JP20 patents
⚠️ This page may combine multiple inventors who share the name “TAKAMURA KOZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON DENSO CO

15 patents
US5488262AJan 30, 1996

Spark electrode having low thermal stress

NIPPON DENSO CO53 citations96
US4581558AApr 8, 1986

Spark plug for internal combustion engines having an alloy layer between the electrodes and tip ends

NIPPON DENSO CO69 citations95
US4540910ASep 10, 1985

Spark plug for internal-combustion engine

NIPPON DENSO CO79 citations95
US5056496AOct 15, 1991

Ignition system of multispark type

NIPPON DENSO CO91 citations94
US5563469AOct 8, 1996

Spark plug for internal combustion engine

NIPPON DENSO CO27 citations92
US5557158ASep 17, 1996

Spark plug and method of producing the same

NIPPON DENSO CO34 citations92
US5202601AApr 13, 1993

Spark plug for internal combustion engine with recess in electrode tip

NIPPON DENSO CO23 citations92
US5159232AOct 27, 1992

Spark plugs for internal-combustion engines

NIPPON DENSO CO23 citations92
US4845400AJul 4, 1989

Spark plug for internal-combustion engine

NIPPON DENSO CO30 citations92
US4488081ADec 11, 1984

Ignition plug

NIPPON DENSO CO36 citations92
US5124612AJun 23, 1992

Spark plug for internal-combustion engine

NIPPON DENSO CO20 citations82
US5196760AMar 23, 1993

Spark plug for internal combustion engine with pillar shaped electrode

NIPPON DENSO CO12 citations74
US5502352AMar 26, 1996

Spark plug having horizontal discharge

NIPPON DENSO CO11 citations73
USRE35012EAug 8, 1995

Spark plug for internal combustion engines having an alloy layer between the electrodes and tip ends

NIPPON DENSO CO11 citations73
US5406166AApr 11, 1995

Long life spark plug having consumable discharge member

NIPPON DENSO CO15 citations73

DENSO CORP

5 patents