SS

Soichi Shimomura

NC Nippon Piston Ring Co.: 5 patents #32 of 208Top 20%
Overall (All Time): #1,061,192 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5021629 Electric plasma arc powder welded slide layer for rotary fluid pump vane 1991-06-04
4976916 Method for producing ferrous sintered alloy product 1990-12-11
4904302 Roller in rotary compressor and method for producing the same 1990-02-27
4861372 Roller in rotary compressor and method for producing the same 1989-08-29
4859164 Ferrous sintered alloy vane and rotary compressor 1989-08-22