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Kouji Hiragi
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Osaka, JP
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last 30 patents
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Patent Grant
Ignition device for internal combustion engine
Patent number
6,851,417
Issue date
Feb 8, 2005
Diamond Electric Mfg. Co., Ltd.
Masahiro Katayama
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
IGNITER
Publication number
20210194220
Publication date
Jun 24, 2021
Diamond Electric Mfg. Co., Ltd.
Masatoshi YASUNAGA
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
Ignition device for internal combustion engine
Publication number
20030192519
Publication date
Oct 16, 2003
Diamond Electric Mfg. Co., Ltd.
Masahiro Katayama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS