MM

Michiyoshi Matsuzaki

NC Nippon Piston Ring Co.: 2 patents #59 of 208Top 30%
Overall (All Time): #2,350,132 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4618317 Rotary type fluid compressor — 1986-10-21
4490175 Vane for rotary fluid compressors — 1984-12-25