HS

Hisataka Sugiyama

HI Hitachi: 6 patents #68 of 3,771Top 2%
📍 Kokubunji, JP: #4 of 127 inventorsTop 4%
Overall (2004): #5,896 of 270,089Top 3%
6
Patents 2004

Issued Patents 2004

Showing 1–6 of 6 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