HS

Hisataka Sugiyama

HI Hitachi: 7 patents #62 of 3,950Top 2%
HM Hitachi Maxell: 1 patents #37 of 103Top 40%
HC Hitachi Software Engineering Co.: 1 patents #1 of 36Top 3%
📍 Kokubunji, JP: #2 of 123 inventorsTop 2%
Overall (2002): #4,278 of 266,432Top 2%
7
Patents 2002

Issued Patents 2002

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
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
6388986 Information recording medium having wobbled groove structure Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2002-05-14
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