Kenichi HAYAKAWA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ignition device and internal combustion engine
- Patent number 11,047,292
- Issue date Jun 29, 2021
- Ricoh Company, Ltd.
- Kenichi Hayakawa
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
IGNITION DEVICE AND INTERNAL COMBUSTION ENGINE
- Publication number 20190226387
- Publication date Jul 25, 2019
- RICOH COMPANY, LTD.
- Kenichi HAYAKAWA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
HEAT STORAGE AND RELEASE UNIT, CHEMICAL HEAT PUMP, AND NON-ELECTRIF...
- Publication number 20160290685
- Publication date Oct 6, 2016
- Yasutomo AMAN
- F28 - HEAT EXCHANGE IN GENERAL