KU

Kazuyo Umezawa

KT Kabushiki Kaisha Toshiba: 53 patents #302 of 21,451Top 2%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
Overall (All Time): #47,796 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 26–50 of 54 patents

Patent #TitleCo-InventorsDate
8169873 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-05-01
8169872 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-05-01
8169874 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-05-01
8165001 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-04-24
8165000 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-04-24
8159921 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-04-17
8159920 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-04-17
8159767 Repeatable runout evaluation method for a stamper Seiji Morita, Masatoshi Sakurai 2012-04-17
8154971 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-04-10
8154970 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-04-10
8149674 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-04-03
8149672 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-04-03
8142981 Storage medium, reproducing method, and recording method Hideo Ando, Seiji Morita, Koji Takazawa, Yasuaki Ootera, Naoki Morishita 2012-03-27
8142693 Stamper and stamper evaluation method Seiji Morita, Masatoshi Sakurai 2012-03-27
8139459 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-03-20
8137894 Storage medium, reproducing method, and recording method Seiji Morita, Koji Takazawa, Hideo Ando, Yasuaki Ootera, Naoki Morishita +1 more 2012-03-20
8134899 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-03-13
8070968 Ultraviolet-curable resin material for pattern transfer and magnetic recording medium manufacturing method using the same Seiji Morita, Masatoshi Sakurai 2011-12-06
8059523 Optical recording medium for writing data using multiple pulses Seiji Morita, Koji Takazawa, Naomasa Nakamura, Naoki Morishita, Shinichi Katsuda 2011-11-15
7995442 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2011-08-09
7960093 Storage medium, reproducing method, and recording method Hideo Ando, Seiji Morita, Koji Takazawa, Yasuaki Ootera, Naoki Morishita 2011-06-14
7914969 Storage medium, reproducing method, and recording method Hideo Ando, Seiji Morita, Koji Takazawa, Yasuaki Ootera, Naoki Morishita 2011-03-29
7885173 Write-once information recording medium and disk apparatus Seiji Morita, Koji Takazawa, Naoki Morishita, Naomasa Nakamura 2011-02-08
7869339 Multi-layer optical disc, information recording method and information reproducing method Seiji Morita, Koji Takazawa, Hideo Ando, Yasuaki Ootera, Naomasa Nakamura +1 more 2011-01-11
7864654 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2011-01-04