Atsushi Kawahara

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Engine rotating meter
- Patent number 7,913,547
- Issue date Mar 29, 2011
- Oppama Industry Co., Ltd.
- Masao Iwata
- G01 - MEASURING TESTING
Information Patent Grant
Ignition timing measuring and display device of internal combustion...
- Patent number 7,726,181
- Issue date Jun 1, 2010
- Oppama Industry Co., Ltd.
- Masao Iwata
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
ENGINE ROTATING METER
- Publication number 20090165541
- Publication date Jul 2, 2009
- Oppama Industry Co., Ltd.
- Masao Iwata
- G01 - MEASURING TESTING
Information Patent Application
Ignition Timing Measuring and Display Device of Internal Combustion...
- Publication number 20090133482
- Publication date May 28, 2009
- Oppama Industry Co., Ltd
- Masao Iwata
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS