HH

Hirotake Hamamatsu

DE Denso: 3 patents #3,857 of 11,792Top 35%
HC Hitachi Powdered Metals Co.: 2 patents #73 of 246Top 30%
TR Tris: 1 patents #21 of 42Top 50%
Overall (All Time): #1,564,060 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8062583 Method for producing soft magnetic powdered core Chio Ishihara, Kazuo Asaka, Kohei Muramatsu, Tsuyoshi Akao 2011-11-22
8029626 Method for producing soft magnetic powdered core Chio Ishihara, Kazuo Asaka, Kohei Muramatsu, Tsuyoshi Akao 2011-10-04
7586230 Brush, commutator, and commutator device Youichi Murakami, Ryoichi Honbo, Kenzo Kiyose, Mitsuo Ikeda, Yoichi Sakaura +2 more 2009-09-08