HS

Hirofumi Sukeda

HI Hitachi: 86 patents #51 of 28,497Top 1%
HM Hitachi Maxell: 37 patents #6 of 1,211Top 1%
Overall (All Time): #18,477 of 4,157,543Top 1%
89
Patents All Time

Issued Patents All Time

Showing 25 most recent of 89 patents

Patent #TitleCo-InventorsDate
8059497 Megneto-optical recording device capable of changing the shapes of heating areas Hiroaki Nemoto, Hideki Saga 2011-11-15
8040777 Information recording method, information recording medium and information recording apparatus Takeshi Maeda, Hiroyuki Minemura, Hidehiko Kando, Makoto Miyamoto 2011-10-18
7688685 Magneto-optical recording device capable of changing the shapes of heating areas Hiroaki Nemoto, Hideki Saga 2010-03-30
7352675 Information recording method, information recording medium and information recording apparatus Takeshi Maeda, Hiroyuki Minemura, Hidehiko Kando, Makoto Miyamoto 2008-04-01
7349318 Information recording method, information recording medium and information recording apparatus Takeshi Maeda, Hiroyuki Minemura, Hidehiko Kando, Makoto Miyamoto 2008-03-25
7349317 Information recording method, information recording medium and information recording apparatus Takeshi Maeda, Hiroyuki Minemura, Hidehiko Kando, Makoto Miyamoto 2008-03-25
7283439 Optical disk apparatus using mechanism for controlling spherical aberration Takeshi Shimano, Takeshi Maeda 2007-10-16
7260033 Optical reproducing apparatus Takeshi Shimano 2007-08-21
7215609 Optical reproducing apparatus Takeshi Shimano 2007-05-08
7154842 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-12-26
7133230 Recording head and information recording apparatus Hideki Saga, Takuya Matsumoto, Kei Ishikawa 2006-11-07
7099263 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-08-29
7092350 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-08-15
7092349 Optical reproducing method optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-08-15
7085222 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-08-01
7082098 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-07-25
7079478 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-07-18
7079457 Method of reproducing information with equalization coefficient for the reproduced information Kouichirou Wakabayashi 2006-07-18
7072278 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-07-04
7072277 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-07-04
7072288 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-07-04
7072287 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-07-04
7072286 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-07-04
7072282 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-07-04
7072281 Optical reproducing method for optical medium with aligned prepit portion Harukazu Miyamoto, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2006-07-04