NH

Naka Hirayama

NK Nitto Kogyo: 3 patents #1 of 3Top 35%
Overall (2002): #23,688 of 266,432Top 9%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6471628 Developing roller with porous surface — 2002-10-29
6461674 Developing roller and method of producing the same — 2002-10-08
6383564 Method for forming a porous covering layer on a substrate — 2002-05-07