HK

Hiroki Kuramoto

HI Hitachi: 3 patents #329 of 3,771Top 9%
HM Hitachi Maxell: 2 patents #13 of 93Top 15%
📍 Ibaraki, JP: #41 of 742 inventorsTop 6%
Overall (2004): #28,282 of 270,089Top 15%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6749955 Information recording media and information recording drive Fumiyoshi Kirino, Nobuyuki Inaba, Hiroki Yamamoto, Takashi Naitou, Ken Takahashi +3 more 2004-06-15
6746749 Magnetic recording disk Fumiyoshi Kirino, Nobuyuki Inaba, Hiroki Yamamoto, Ken Takahashi, Takashi Naitou +3 more 2004-06-08
6700852 Information recording medium with recording film with cobalt oxide crystalline particles, and information recording device including the same Hiroki Yamamoto, Takashi Naito, Ken Takahashi, Sumio Hosaka, Motoyasu Terao +2 more 2004-03-02