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 1–25 of 54 patents

Patent #TitleCo-InventorsDate
8717858 Write-once type information storage medium (disk structure of recording type information storage medium having structure in which recording layer formed on transparent susbstrate is defined as inside), and information reproducing method or information recording method as well as storage medium manufacturing Koji Takazawa, Seiji Morita, Yasuaki Ootera, Hideo Ando, Naoki Morishita 2014-05-06
8593930 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2013-11-26
8588047 Storage medium, reproducing method, and recording method Hideo Ando, Seiji Morita, Koji Takazawa, Yasuaki Ootera, Naoki Morishita 2013-11-19
8551685 Ultraviolet-curing resin material for pattern transfer and magnetic recording medium manufacturing method using the same Seiji Morita, Masatoshi Sakurai 2013-10-08
8531936 Storage medium, reproducing method, and recording method Seiji Morita, Koji Takazawa, Hideo Ando, Yasuaki Ootera, Naoki Morishita +1 more 2013-09-10
8509049 Optical recording medium having intermediate layer of prescribed thickness and thickness range for use with 405nm laser Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2013-08-13
8454869 Stamper and stamper evaluation method Seiji Morita, Masatoshi Sakurai 2013-06-04
8437242 Optical recording medium for writing data using multiple pulses Seiji Morita, Koji Takazawa, Naomasa Nakamura, Naoki Morishita, Shinichi Katsuda 2013-05-07
8422353 Optical recording medium for writing data using multiple pulses Seiji Morita, Koji Takazawa, Naomasa Nakamura, Naoki Morishita, Shinichi Katsuda 2013-04-16
8372575 Ultraviolet-curing resin material for pattern transfer and magnetic recording medium manufacturing method using the same Seiji Morita, Masatoshi Sakurai 2013-02-12
8374069 Storage medium, reproducing method, and recording method Hideo Ando, Seiji Morita, Koji Takazawa, Yasuaki Ootera, Naoki Morishita 2013-02-12
8355306 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2013-01-15
8339916 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-12-25
8325584 Storage medium, reproducing method, and recording method Hideo Ando, Seiji Morita, Koji Takazawa, Yasuaki Ootera, Naoki Morishita 2012-12-04
8310913 Optical recording medium capable of using wide ranges of linear velocity recording Seiji Morita, Koji Takazawa, Naomasa Nakamura, Naoki Morishita 2012-11-13
8264931 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-09-11
8252510 Storage medium, reproducing method, and recording method Hideo Ando, Seiji Morita, Koji Takazawa, Yasuaki Ootera, Naoki Morishita 2012-08-28
8232042 Storage medium, reproducing method, and recording method Tsukasa Nakai, Seiji Morita, Koji Takazawa, Yasuaki Ootera, Naoki Morishita +1 more 2012-07-31
8218416 Multi-layer optical disc, information recording method and information reproducing method Seiji Morita, Koji Takazawa, Hideo Ando, Yasuaki Ootera, Naomasa Nakamura +1 more 2012-07-10
8184517 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-05-22
8179763 Optical disc, information recording method, and information reproducing method Seiji Morita, Koji Takazawa, Hideo Ando, Yasuaki Ootera, Naomasa Nakamura +1 more 2012-05-15
8179764 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-05-15
8179765 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-05-15
8174948 Optical recording medium, information recording method, and information reproducing method Koji Takazawa, Seiji Morita, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-05-08
8173029 Magnetic recording medium manufacturing method Seiji Morita, Shinobu Sugimura, Masatoshi Sakurai 2012-05-08