SS

Soichi Shimomura

NC Nippon Piston Ring Co.: 2 patents #1 of 7Top 15%
Overall (1989): #15,621 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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