HS

Hirofumi Sukeda

HI Hitachi: 16 patents #8 of 4,225Top 1%
HM Hitachi Maxell: 12 patents #2 of 92Top 3%
📍 Kokubunji, JP: #1 of 131 inventorsTop 1%
Overall (2003): #445 of 273,478Top 1%
16
Patents 2003

Issued Patents 2003

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
6649894 Optical near field generator Takuya Matsumoto, Masashi Kiguchi 2003-11-18
6603730 Optical reproducing method Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2003-08-05
6580685 Optical recording medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2003-06-17
6560168 Information recording/reproducing device Hideki Saga, Hiroaki Nemoto, Masahiko Takahashi, Kimio Nakamura, Yohji Maruyama +2 more 2003-05-06
6552994 Optical reproduction apparatus Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2003-04-22
6552977 Information reproducing apparatus enabling equalization processing with equalization coefficient for reproduced information Kouichirou Wakabayashi 2003-04-22
6549510 Optical recording medium having grooves and lands Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2003-04-15
6545973 Optical reproduction apparatus Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2003-04-08
6545954 Optical disk device using a recording medium structurally arranged to generate a recording clock Hideki Saga 2003-04-08
6542456 Optical reproducing method Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2003-04-01
6538981 Optical reproduction apparatus Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2003-03-25
6538980 Optical disc Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2003-03-25
6532207 Optical reproducing method Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2003-03-11
6529470 Optical recording medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2003-03-04
6529466 Information recording apparatus Hideki Saga, Takehiko Yorozu 2003-03-04
6512726 Information recording apparatus Hideki Saga, Takehiko Yorozu 2003-01-28