HY

Hajime Yuzurihara

Ricoh Company: 31 patents #601 of 9,818Top 7%
TT Tokyo Institute Of Technology: 1 patents #411 of 1,159Top 40%
Overall (All Time): #119,177 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
9812733 Solid electrolyte and secondary battery Shigeo Takeuchi, Ryoji Kanno 2017-11-07
8075974 Optical recording medium Hiroshi Deguchi, Eiko Hibino, Hiroko Ohkura, Kazunori Ito, Hiroyuki Iwasa 2011-12-13
7611762 Optical recording medium Hiroshi Deguchi, Eiko Hibino, Hiroshi Miura, Mikiko Abe, Shinya Narumi +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 Hiroshi Deguchi, Katsuyuki Yamada, Shinya Narumi, Mikiko Abe, Eiko Hibino +1 more 2009-08-04
7507523 Optical information recording medium, method of manufacturing the optical information recording medium, and method of and apparatus for recording/reproducing optical information Katsuyuki Yamada, Shinya Narumi, Makoto Harigaya, Katsuhiko Tani, Noriyuki Iwata +7 more 2009-03-24
7417930 Optical recording method Mikiko Abe, Hiroshi Deguchi, Eiko Hibino, Hiroshi Miura, Kazunori Ito +1 more 2008-08-26
7414954 Optical information recording medium Kazunori Ito, Nobuaki Onagi, Katsuyuki Yamada, Shinya Narumi 2008-08-19
7411887 Optical information recording medium Kazunori Ito, Nobuaki Onagi, Katsuyuki Yamada, Shinya Narumi 2008-08-12
7364781 Optical recording medium, recording material, method of producing optical recording medium and optical recording, reading and rewriting method Kazunori Ito, Eiko Hibino, Makoto Harigaya, Takashi Shibaguchi, Nobuaki Onagi +3 more 2008-04-29
7362683 Optical recording method Mikiko Abe, Hiroshi Deguchi, Eiko Hibino, Hiroshi Miura, Kazunori Ito +1 more 2008-04-22
7349315 Information recording method, information recording device, optical information recording medium, program for recording information and storage medium Shinya Narumi, Katsuyuki Yamada, Masaki Kato, Hiroshi Deguchi 2008-03-25
7273534 Optical device substrate film-formation apparatus, optical disk substrate film-formation method, substrate holder manufacture method, substrate holder, optical disk and a phase-change recording type of optical disk Kazunori Ito, Katsunari Hanaoka, Hiroshi Deguchi, Nobuaki Onagi, Hiroko Tashiro +5 more 2007-09-25
7260044 Recording method for a phase-change optical recording medium Hiroshi Deguchi, Eiko Hibino, Mikiko Abe, Hiroshi Miura, Kazunori Ito +1 more 2007-08-21
7068591 Information recording method and optical recording medium therefor Hiroko Ohkura, Yoshiyuki Kageyama, Makoto Harigaya, Eiko Hibino, Hiroshi Miura +1 more 2006-06-27
7063875 Optical recording medium Hiroshi Deguchi, Eiko Hibino, Hiroshi Miura, Mikiko Abe, Shinya Narumi +3 more 2006-06-20
7042831 Optical information recording medium Kazunori Ito, Nobuaki Onagi, Katsuyuki Yamada, Shinya Narumi 2006-05-09
6963527 Information recording method and optical recording medium therefor Hiroko Ohkura, Yoshiyuki Kageyama, Makoto Harigaya, Eiko Hibino, Hiroshi Miura +1 more 2005-11-08
6958180 Phase change optical recording medium Eiko Hibino, Hiroshi Deguchi, Hiroshi Miura, Mikiko Abe 2005-10-25
6914866 Optical information recording medium and information recording method and apparatus using the recording medium Shinya Narumi, Katsuyuki Yamada, Kazunori Ito, Nobuaki Onagi 2005-07-05
6884487 Optical recording medium, recording material, method of producing optical recording medium, and optical recording, reading and rewriting method Kazunori Ito, Eiko Hibino, Makoto Harigaya, Takashi Shibaguchi, Nobuaki Onagi +3 more 2005-04-26
6846611 Phase-change optical recording medium Kazunori Ito, Nobuaki Onagi, Masaru Shinkai, Eiko Hibino, Hiroko Ohkura +1 more 2005-01-25
6841049 OPTICAL DEVICE SUBSTRATE FILM-FORMATION APPARATUS, OPTICAL DISK SUBSTRATE FILM-FORMATION METHOD, SUBSTRATE HOLDER MANUFACTURE METHOD, SUBSTRATE HOLDER, OPTICAL DISK AND A PHASE-CHANGE RECORDING TYPE OF OPTICAL DISK Kazunori Ito, Katsunari Hanaoka, Hiroshi Deguchi, Nobuaki Onagi, Hiroko Tashiro +5 more 2005-01-11
6827999 Optical information recording medium Kazunori Ito, Nobuaki Onagi, Katsuyuki Yamada, Shinya Narumi 2004-12-07
6790592 Phase-change optical information recording medium Makoto Harigaya, Katsuhiko Tani, Noriyuki Iwata, Kazunori Ito, Eiko Hibino +4 more 2004-09-14
6770346 Optical recording medium and recording method Makoto Harigaya, Hiroshi Miura, Hiroko Okura, Miku Mizutani, Eiko Hibino +4 more 2004-08-03