2 trademarks were found for owners matching the name Nippon Piston Ring Co Ltd.
#
1 TM: 919442
Desc: NPR

Owner: Nippon Piston Ring Co., Ltd.
Class: 7, 12
Status: Registered: Registered/protected
2 TM: 899361
Desc: NTRI
Owner: Nippon Piston Ring Co., Ltd.
Class: 7
Status: Removed
Not renewed: Renewal fee not paid