KY

Katsuyuki Yamada

Ricoh Company: 60 patents #134 of 9,818Top 2%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
FL Fujitsu Vlsi Limited: 1 patents #91 of 256Top 40%
Overall (All Time): #36,052 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 1–25 of 63 patents

Patent #TitleCo-InventorsDate
8227067 Optical recording medium, and sputtering target and method for producing the same Yoshitaka Hayashi, Noboru Sasa, Toshishige Fujii, Masayuki Fujiwara, Toshihide Sasaki +2 more 2012-07-24
8000198 Phase-change type optical recording medium and reproduction method and apparatus for such a recording medium Michiaki Shinotsuka, Masaru Shinkai, Hiroyoshi Sekiguchi, Eiko Hibino, Masaki Kato +1 more 2011-08-16
7894315 Optical disk, recording method, recording medium, and optical disk unit, for recording information on multilayer optical disk Masaki Kato, Kazunori Ito, Michiaki Shinotsuka, Eiko Hibino, Masaru Shinkai +1 more 2011-02-22
7848196 Power determining method, single-sided multilayer optical disk, recording method, computer program product, computer-readable medium, and optical disk apparatus Hiroyoshi Sekiguchi, Michiaki Shinotsuka, Masaru Shinkai, Eiko Hibino, Masaki Kato 2010-12-07
7773478 Optical recording medium, multi-layered optical recording medium, and optical recording method and recording apparatus using the same Eiko Hibino, Hiroshi Miura, Kazunori Ito, Makoto Harigaya, Hiroyoshi Sekiguchi +3 more 2010-08-10
7611762 Optical recording medium Hiroshi Deguchi, Hajime Yuzurihara, Eiko Hibino, Hiroshi Miura, Mikiko Abe +3 more 2009-11-03
7570563 Optical recording method of a phase-change optical recording medium having improved recording characteristics and uniformity and optical recording medium and optical recorder used by the method Hajime Yuzurihara, Hiroshi Deguchi, Shinya Narumi, Mikiko Abe, Eiko Hibino +1 more 2009-08-04
7539098 Optical information recording medium and recording apparatus Masaki Katoh, Yuki Nakamura 2009-05-26
7507523 Optical information recording medium, method of manufacturing the optical information recording medium, and method of and apparatus for recording/reproducing optical information Shinya Narumi, Makoto Harigaya, Katsuhiko Tani, Noriyuki Iwata, Nobuaki Onagi +7 more 2009-03-24
7496021 Method and device for recording optical data Masaki Kato, Shinya Narumi 2009-02-24
7482109 Optical information recording medium Masaki Katoh, Yuki Nakamura 2009-01-27
7447138 Method and apparatus for initializing optical recording media Kyohji Hattori, Kenichi Aihara, Fumiya Ohmi, Eiji Noda, Yujiro Kaneko +2 more 2008-11-04
7440380 Optical information recording medium and recording apparatus Masaki Katoh, Yuki Nakamura 2008-10-21
7422838 Phase-change optical recording medium Yuki Nakamura, Tatsuo Mikami, Eiji Noda, Kayo Katoh 2008-09-09
7414954 Optical information recording medium Kazunori Ito, Hajime Yuzurihara, Nobuaki Onagi, Shinya Narumi 2008-08-19
7411887 Optical information recording medium Kazunori Ito, Hajime Yuzurihara, Nobuaki Onagi, Shinya Narumi 2008-08-12
7352680 Optical recording medium having relation between reflection layer and pit length Shinya Narumi 2008-04-01
7351516 Optical information recording medium Masaki Kato 2008-04-01
7349315 Information recording method, information recording device, optical information recording medium, program for recording information and storage medium Shinya Narumi, Masaki Kato, Hajime Yuzurihara, Hiroshi Deguchi 2008-03-25
7336583 Optical information recording medium and recording apparatus Masaki Katoh, Yuki Nakamura 2008-02-26
RE39901 Initialization of phase-change optical recording medium Kyohji Hattori, Fumiya Ohmi, Kenichi Aihara, Yuki Nakamura, Eiji Noda +3 more 2007-10-30
7288224 Method of producing a sputtering target Yukio Ide, Hiroko Iwasaki, Yoshiyuki Kageyama, Yujiro Kaneko, Michiaki Shinotsuka +2 more 2007-10-30
7263055 Method of recording and reproducing information and apparatus for recording and reproducing information using the method Yuki Nakamura, Masaki Kato 2007-08-28
7245580 Optical recording medium having protective and/or adhesive layers, and method of manufacture Yuki Nakamura, Shinya Narumi, Masaki Kato 2007-07-17
7075871 Method and device for recording optical data Masaki Kato, Shinya Narumi 2006-07-11