TAKAO SAKAI

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YONO-SHI, JP

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Patents Grantslast 30 patents

Information Patent Grant
Combination of piston ring for use in internal combustion engine
- Patent number 6,270,081
- Issue date Aug 7, 2001
- Nippon Piston Ring Co., Ltd.
- Motonobu Onoda
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
COMBINATION OF PISTON RING FOR USE IN INTERNAL COMBUSTION ENGINE
- Publication number 20010002744
- Publication date Jun 7, 2001
- SUGHRUE, MION, ZINN, MACPEAK & SEAS, PLLC
- MOTONOBU ONODA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS