SI

Shuuichi Ishikawa

NI Nikon: 1 patents #1,647 of 2,493Top 70%
NC Nippon Seiko Co.: 1 patents #121 of 315Top 40%
📍 Nakano, JP: #87 of 187 inventorsTop 50%
Overall (All Time): #2,301,780 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5209701 Hub unit bearing apparatus with improved pre-loading arrangement Junshi Sakamoto, Hiroya Miyazaki 1993-05-11
5148104 Hub unit with pulse rotor and cover mounted sensor for sensing rotational speed 1992-09-15