HA

Hirokazu Arai

KC Koyo Seiko Co.: 3 patents #8 of 92Top 9%
KC Koyo Sealing Techno Co.: 1 patents #1 of 5Top 20%
Overall (2002): #28,964 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6499885 Seal ring, sealing apparatus and bearing apparatus Kazutoshi Toda, Minoru Sentoku, Fumiaki Kasahara, Shinichi Obayashi 2002-12-31
6425455 Electric power steering apparatus Takanori Kurokawa 2002-07-30
6394220 Electric power steering device Takanori Kurokawa 2002-05-28