HA

Hirokazu Arai

KC Koyo Seiko Co.: 6 patents #1 of 135Top 1%
KC Koyo Sealing Techno Co.: 1 patents #1 of 5Top 20%
SC Shin-Kobe Electric Machinery Co.: 1 patents #7 of 26Top 30%
Overall (2003): #6,438 of 273,478Top 3%
6
Patents 2003

Issued Patents 2003

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6626261 Electric power steering apparatus Takanori Kurokawa 2003-09-30
6622814 Electric power steering device Takanori Kurokawa, Akihiko Shiina, Masashi Kuze, Mitsuharu Minami, Hideo Matsubara 2003-09-23
6557663 Electric power steering apparatus Takanori Kurokawa, Shinichi Tahara, Syouji Sawai 2003-05-06
6527642 Power transmission coupling and power transmission apparatus Takeshi Tsuda, Junya Ooitsu 2003-03-04
6520683 Seal ring, sealing device and rolling bearing including the same Kazutoshi Toda, Minoru Sentoku, Fumiaki Kasahara, Tomomitsu Tamura 2003-02-18
6516915 Electric power steering device Takanori Kurokawa 2003-02-11