HY

Hiroyuki Yamaguchi

Sumitomo Electric Industries: 3 patents #348 of 3,632Top 10%
📍 Yokohama, JP: #51 of 211 inventorsTop 25%
Overall (2005): #23,197 of 245,428Top 10%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6961301 Optical disk having synchronization region formed between pre-recorded area and recordable area Takeharu Yamamoto, Yoshihiro Kanda, Shinji Inoue 2005-11-01
6950378 Laser power control method and optical disk device Atsushi Miyazaki, Chikashi Inokuchi, Toshiya Akagi 2005-09-27
6891785 Optical disc reproduction apparatus Takeharu Yamamoto, Takashi Kishimoto, Yoshihiro Kanda 2005-05-10