HA

Hirofumi Aritsubo

NC Nippon Pillar Packing Co.: 1 patents #101 of 218Top 50%
📍 Sanda, JP: #93 of 236 inventorsTop 40%
Overall (All Time): #2,287,281 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5421593 Shaft seal device Toshihiko Fuse 1995-06-06
4541638 Emergency shaft seal device by deformation of packing ring Takahisa Ogawa 1985-09-17