Kenichi SUDOU

Follow

Person

Kashiwazaki-shi, Niigata, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Oil control ring and spacer expander
- Patent number 11,333,245
- Issue date May 17, 2022
- Hiroshi Shimizu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
SPACER EXPANDER AND OIL CONTROL RING INCLUDING SAME
- Publication number 20210164566
- Publication date Jun 3, 2021
- Kabushiki Kaisha Riken
- Hiroshi SHIMIZU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...