TA

Tetsuya Akiyama

Sumitomo Electric Industries: 4 patents #204 of 3,632Top 6%
Overall (2005): #9,002 of 245,428Top 4%
4
Patents 2005

Issued Patents 2005

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6975571 Method for optically recording information and device for optically recording information by the same Kenji Narumi, Kenichi Nishiuchi, Shigeaki Furukawa 2005-12-13
6934243 Optical information recording medium, recording/reproducing apparatus and recording /reproducing method for the same, and method for manufacturing optical information recording medium Kenichi Nishiuchi 2005-08-23
6922387 Optical information recording medium, and method and apparatus for recording/reproducing information thereon Kenichi Nishiuchi, Kenji Narumi 2005-07-26
6906988 Method and apparatus for recording/reproducing information with respect to optical recording medium Shigeaki Furukawa, Kenichi Nishiuchi, Kenji Narumi, Takashi Ishida, Mamoru Shoji +2 more 2005-06-14