MM

Masaaki Matsumaru

KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
NE Nec: 1 patents #7,889 of 14,502Top 55%
📍 Funabashi, JP: #206 of 1,104 inventorsTop 20%
Overall (All Time): #752,609 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7355957 Optical disc medium having a system information recording area of low recording density Yutaka Yamanaka, Toshiaki Iwanaga, Tatsunori Ide, Chosaku Noda, Yutaka Kashihara +1 more 2008-04-08
6987714 Disk, disk device and track center detection method Kazuo Watabe, Chosaku Noda 2006-01-17
6741546 Information recording medium, information recording apparatus, and information reproduction apparatus Kazuo Watabe, Hideo Ando, Chosaku Noda 2004-05-25
6026072 Optical disk and method of manufacturing the same Kozo Taira, Toshiyuki Nakano 2000-02-15
5959962 Optical disk having a format condition information drive Kozo Taira 1999-09-28
5809003 Optical disk and optical information reproducing apparatus Kozo Taira, Toshiyuki Nakano, Yasuo Motegi 1998-09-15
5740138 Apparatus for recording information on a primary optical disk to manufacture optical disks Isao Hoshino, Toyoki Taguchi, Masahiko Tanaka 1998-04-14