HS

Hisataka Sugiyama

HI Hitachi: 92 patents #42 of 28,497Top 1%
HM Hitachi Maxell: 5 patents #189 of 1,211Top 20%
HS Hitachi-Lg Data Storage: 2 patents #125 of 294Top 45%
HC Hitachi Software Engineering Co.: 2 patents #91 of 502Top 20%
HS Hitachi Video And Information Systems: 2 patents #78 of 269Top 30%
TC Toshiba Machine Co.: 1 patents #70 of 186Top 40%
📍 Kokubunji, JP: #2 of 714 inventorsTop 1%
Overall (All Time): #15,817 of 4,157,543Top 1%
96
Patents All Time

Issued Patents All Time

Showing 26–50 of 96 patents

Patent #TitleCo-InventorsDate
6798728 Optical disk device and luminescent power control method for semiconductor laser Masataka Ota, Masanori Matsuzaki 2004-09-28
6795390 Information recording method Harukazu Miyamoto, Hiroyuki Minemura 2004-09-21
6765850 Optical disc apparatus and information recording apparatus using the optical disc apparatus Akinori Shiozawa, Masataka Ohta, Hiroaki Ono, Hiroyuki Minemura 2004-07-20
6754144 Optical information recording/reproducing apparatus Tetsuya Fushimi, Toshimitsu Kaku 2004-06-22
6747934 Information recording/reproducing apparatus having verify control for recording Norimoto Ichikawa, Hiroyuki Minemura, Toshimitsu Kaku 2004-06-08
6728176 Information recording method Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2004-04-27
6665244 Optical reproducing method Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2003-12-16
6611489 Information reproducing method for an optical medium having grooves and lands Harukazu Miyamoto, Hiroyuki Minemura 2003-08-26
6580686 Information recording medium recording data on wobbled groove structure of recording medium Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2003-06-17
6570830 Optical disk signal processing apparatus using modulated light source in a playback operation Takeshi Maeda 2003-05-27
6552978 Information recording apparatus Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2003-04-22
6549497 Optical reproducing method Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2003-04-15
6545961 Optical reproducing method Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2003-04-08
6545962 Optical reproducing method for reproducing information on an optical medium having groove structure with fixed cycle of wobble Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2003-04-08
6545960 Information recording medium and method and apparatus for recording and reproducing information using the same Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2003-04-08
6542448 Information recording apparatus for recording information on an optical medium having a groove structure with a fixed cycle of wobble Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2003-04-01
6542458 Information recording medium having wobbled groves Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2003-04-01
6542457 Method for reproducing information from recording medium having grooves and lands as tracks divided into units Harukazu Miyamoto, Hiroyuki Minemura 2003-04-01
6496461 Information recording/reproducing apparatus Norimoto Ichikawa, Hiroyuki Minemura, Toshimitsu Kaku 2002-12-17
6493295 Information recording apparatus Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2002-12-10
6490233 Optical reproducing method Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2002-12-03
6438078 Optical disc apparatus and method thereof Shigeki Yamazaki, Hiroyuki Minamura, Tetsuya Fushimi, Makoto Itagaki 2002-08-20
6430142 Method for reproducing information from optical medium Harukazu Miyamoto, Hiroyuki Minemura 2002-08-06
6388987 Information recording medium having wobbled groove structure and plural zones Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2002-05-14
6388986 Information recording medium having wobbled groove structure Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2002-05-14