YH

Yoshihiro Hashizuka

Pioneer: 7 patents #234 of 1,730Top 15%
📍 Kawagoe, JP: #263 of 1,278 inventorsTop 25%
Overall (All Time): #756,377 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6952387 Optical disk playing apparatus and method for discriminating optical disk Yoshimichi Nishio, Hitoshi Yamazaki, Kazunori Matsuo, Takashi Suzuki, Takashi Sasaki +3 more 2005-10-04
6879554 Disc player capable of reproducing a partially recorded disc Takao Shimamura, Kenichi Takahashi, Shinya Honjou, Takashi Sasaki, Koichi Kikuchi +2 more 2005-04-12
6777657 Focusing controller for focus jump control between recording layers of multilayer disk Yoshimichi Nishio, Kazunori Matsuo, Takeshi Sato, Morio Nozaki, Hitoshi Yamazaki +3 more 2004-08-17
6646962 Apparatus for detecting dropout, an error signal extracting unit, and unit for identifying type of dropout in an optical pickup Takashi Sasaki, Takashi Suzuki, Takao Shimamura, Shinya Honjou, Kenichi Takahashi +2 more 2003-11-11
6600705 Method of and apparatus for setting servo adjustment value, reproducing information and recording information under servo control using servo adjustment value Takashi Suzuki, Takashi Sasaki, Hideaki Yoshimura, Koichi Kikuchi, Shinya Honjou +2 more 2003-07-29
6560173 Servo control apparatus for optical disc player Takao Shimamura, Takashi Sasaki, Kenichi Takahashi, Koichi Kikuchi, Shinya Honjou +2 more 2003-05-06
6545956 Disc player and focus search control method Takao Shimamura 2003-04-08