SH

Sumio Hosaka

HI Hitachi: 6 patents #68 of 3,771Top 2%
HM Hitachi Maxell: 2 patents #13 of 93Top 15%
Overall (2004): #4,816 of 270,089Top 2%
6
Patents 2004

Issued Patents 2004

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6790502 Optically functional element and production method and application therefor Hiroki Yamamoto, Takashi Naito, Ken Takahashi, Motoyasu Terao, Toshimichi Shintani +5 more 2004-09-14
6768556 Near-field optical probe, near-field optical microscope and optical recording/reproducing device with near-field optical probe Takuya Matsumoto, Takeshi Shimano, Fumio Isshiki 2004-07-27
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, Motoyasu Terao, Fumiyoshi Kirino +2 more 2004-03-02
6687013 Laser interferometer displacement measuring system, exposure apparatus, and electron beam lithography apparatus Fumio Isshiki, Masakazu Sugaya, Tatsundo Suzuki, Masahiro Yamaoka 2004-02-03