YK

Yuko Kawaguchi

PA Panasonic: 4 patents #6,180 of 21,108Top 30%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #1,016,736 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8116193 Optical recording medium, manufacturing method for optical recording medium, and reproducing method for optical recording medium Shinya Abe, Morio Tomiyama, Eiji Ohno 2012-02-14
7948860 Optical recording medium, manufacturing method for optical recording medium, and reproducing method for optical recording medium Shinya Abe, Morio Tomiyama, Eiji Ohno 2011-05-24
7821909 Optical recording medium, manufacturing method for optical recording medium, and reproducing method for optical recording medium Shinya Abe, Morio Tomiyama, Eiji Ohno 2010-10-26
7808881 Optical recording medium, optical recording medium manufacturing method, and optical recording medium reproducing method Shinya Abe, Morio Tomiyama, Eiji Ohno 2010-10-05
7012857 Magneto optical recording medium having a multilayer recording film of different thickness Motoyoshi Murakami, Yasumori Hino 2006-03-14