KT

Koji Takazawa

KT Kabushiki Kaisha Toshiba: 101 patents #77 of 21,451Top 1%
Overall (All Time): #14,113 of 4,157,543Top 1%
101
Patents All Time

Issued Patents All Time

Showing 76–100 of 101 patents

Patent #TitleCo-InventorsDate
8149672 Optical recording medium, information recording method, and information reproducing method Seiji Morita, Kazuyo Umezawa, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-04-03
8142981 Storage medium, reproducing method, and recording method Hideo Ando, Seiji Morita, Yasuaki Ootera, Naoki Morishita, Kazuyo Umezawa 2012-03-27
8139459 Optical recording medium, information recording method, and information reproducing method Seiji Morita, Kazuyo Umezawa, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-03-20
8137894 Storage medium, reproducing method, and recording method Seiji Morita, Kazuyo Umezawa, Hideo Ando, Yasuaki Ootera, Naoki Morishita +1 more 2012-03-20
8134899 Optical recording medium, information recording method, and information reproducing method Seiji Morita, Kazuyo Umezawa, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2012-03-13
8127323 Information storage medium, reproducing method, and recording medium Hideo Ando, Seiji Morita 2012-02-28
8059523 Optical recording medium for writing data using multiple pulses Kazuyo Umezawa, Seiji Morita, Naomasa Nakamura, Naoki Morishita, Shinichi Katsuda 2011-11-15
8040786 Information storage medium, reproducing method, and recording method Hideo Ando, Seiji Morita 2011-10-18
7995442 Optical recording medium, information recording method, and information reproducing method Seiji Morita, Kazuyo Umezawa, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2011-08-09
7979875 Optical disk having protective coating 2011-07-12
7960093 Storage medium, reproducing method, and recording method Hideo Ando, Seiji Morita, Yasuaki Ootera, Naoki Morishita, Kazuyo Umezawa 2011-06-14
7914969 Storage medium, reproducing method, and recording method Hideo Ando, Seiji Morita, Yasuaki Ootera, Naoki Morishita, Kazuyo Umezawa 2011-03-29
7885173 Write-once information recording medium and disk apparatus Seiji Morita, Kazuyo Umezawa, Naoki Morishita, Naomasa Nakamura 2011-02-08
7876666 Write-once information recording medium and coloring matter material therefor Seiji Morita, Naoki Morishita, Naomasa Nakamura 2011-01-25
7869339 Multi-layer optical disc, information recording method and information reproducing method Kazuyo Umezawa, Seiji Morita, Hideo Ando, Yasuaki Ootera, Naomasa Nakamura +1 more 2011-01-11
7864654 Optical recording medium, information recording method, and information reproducing method Seiji Morita, Kazuyo Umezawa, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2011-01-04
7778144 Optical recording medium, information recording method, and information reproducing method Seiji Morita, Kazuyo Umezawa, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2010-08-17
7713609 Optical disk and method for manufacturing the same 2010-05-11
7715304 Optical recording medium, information recording method, and information reproducing method Seiji Morita, Kazuyo Umezawa, Naoki Morishita, Yasuaki Ootera, Hideo Ando +1 more 2010-05-11
7643397 Phase-change optical recording media and optical recording-reproducing apparatus Tsukasa Nakai, Yasuaki Ootera, Sumio Ashida, Keiichiro Yusu, Nobuhisa Yoshida +1 more 2010-01-05
7533396 Information storage medium, reproducing method, and recording method Hideo Ando, Seiji Morita 2009-05-12
7509661 Optical disk including a preventing structure for preventing surfaces of the optical disk and other optical disks from adhering to each other when the optical disk and the other optical disk are stacked and method of manufacturing the same 2009-03-24
7408869 Optical disk and optical disk apparatus Nobuhisa Yoshida 2008-08-05
7318233 Optical disk and method of manufacturing the same 2008-01-08
7229679 Optical disk and method for manufacturing the same 2007-06-12