Title:
piston ring
Document Type and Number:
Japanese Patent JP6339812
Kind Code:
B2
Inventors:
Matsubara Makoto
Application Number:
JP2014014161A
Publication Date:
June 06, 2018
Filing Date:
January 29, 2014
Export Citation:
Assignee:
Riken Co., Ltd.
International Classes:
F16J9/26; F02F5/00; F16J10/00
Domestic Patent References:
| JP2008164097A | ||||
| JP2008241032A |
Foreign References:
| WO2013137060A1 |
Attorney, Agent or Firm:
Takaishi Tachibana