MT

Masahiko Tsukuda

PA Panasonic: 40 patents #308 of 21,108Top 2%
Sumitomo Electric Industries: 12 patents #2,165 of 21,551Top 15%
Overall (All Time): #50,079 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 26–50 of 52 patents

Patent #TitleCo-InventorsDate
9523123 DNA detection method and DNA detection device 2016-12-20
8526292 Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method Yoshiaki Komma, Joji Anzai, Yasumori Hino 2013-09-03
8470427 Manufacturing method of information recording medium and information recording medium Morio Tomiyama 2013-06-25
8451708 Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method Yoshiaki Komma, Joji Anzai, Yasumori Hino 2013-05-28
8369200 Optical recording medium, and optical information device Yoshiaki Komma, Joji Anzai, Yasumori Hino 2013-02-05
8302119 Optical information recording medium Morio Tomiyama, Kenji Narumi, Joji Anzai, Yuuko Tomekawa, Haruhiko Habuta 2012-10-30
8264944 Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method Yoshiaki Komma, Joji Anzai, Yasumori Hino 2012-09-11
8189452 Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method Yoshiaki Komma, Joji Anzai, Yasumori Hino 2012-05-29
8130628 Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method Yoshiaki Komma, Joji Anzai, Yasumori Hino 2012-03-06
8081551 Optical recording medium, and optical information device Yoshiaki Komma, Joji Anzai, Yasumori Hino 2011-12-20
8054729 Optical recording medium, and optical information device Yoshiaki Komma, Joji Anzai, Yasumori Hino 2011-11-08
7929395 Multilayer information recording medium Morio Tomiyama, Haruhiko Habuta 2011-04-19
7854819 Multilayer information recording medium and production method therefor Yuuko Tomekawa, Morio Tomiyama, Keiji Nishikiori 2010-12-21
7525893 Electron beam recorder and electron beam irradiation position detecting method Shinya Abe 2009-04-28
7474604 Electron beam recorder, electron beam irradiation position detecting method and electron beam irradiation position controlling method Shinya Abe 2009-01-06
7361456 Method of manufacturing master disk, apparatus of manufacturing master disk, method of detecting moving distance difference of master disk, and apparatus of detecting moving distance difference of master disk Shinya Abe 2008-04-22
7359305 Electron beam recorder and electron beam irradiation position detecting method Shinya Abe 2008-04-15
7272099 Exposure apparatus of an optical disk master, method of exposing an optical disk master and pinhole mechanism Shinya Abe, Morio Tomiyama, Shuji Sato, Eiichi Ito 2007-09-18
7236434 Exposure apparatus of an optical disk master, method of exposing an optical disk master, and wavefront fluctuation correction mechanism Shinya Abe, Morio Tomiyama, Shuji Sato, Eiichi Ito 2007-06-26
7176471 Electron beam exposure method and electron beam exposure apparatus Eiichi Ito 2007-02-13
7088668 Optical recording medium with address information composed of pits Tetsuya Akiyama, Kenichi Nishiuchi, Shigeaki Furukawa, Tomoyoshi Miyake 2006-08-08
7068590 Optical disc and manufacturing method for the same Shinya Abe, Shuji Sato 2006-06-27
7046613 Exposure apparatus of an optical disk master, method of exposing an optical disk master and pinhole mechanism Shinya Abe, Morio Tomiyama, Shuji Sato, Eiichi Ito 2006-05-16
6985425 Electron beam recorder and method thereof Kazuhiro Hayashi, Fumiaki Ueno 2006-01-10
6894959 Method and apparatus for exposing optical disk master Shuji Sato, Shinya Abe, Morio Tomiyama, Eiichi Ito 2005-05-17