NO

Nobuaki Onagi

Ricoh Company: 5 patents #21 of 812Top 3%
Overall (2005): #6,211 of 245,428Top 3%
5
Patents 2005

Issued Patents 2005

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6914866 Optical information recording medium and information recording method and apparatus using the recording medium Shinya Narumi, Katsuyuki Yamada, Kazunori Ito, Hajime Yuzurihara 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, Hajime Yuzurihara +3 more 2005-04-26
6884488 Phase-change optical recording medium and recording method and apparatus for the same Kazunori Ito, Michiharu Abe, Makoto Harigaya, Takashi Shibaguchi, Eiko Suzuki +2 more 2005-04-26
6846611 Phase-change optical recording medium Hajime Yuzurihara, Kazunori Ito, 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, Hiroko Tashiro, Kiyoto Shibata +5 more 2005-01-11