EH

Eiko Hibino

Ricoh Company: 4 patents #52 of 812Top 7%
Overall (2005): #12,876 of 245,428Top 6%
4
Patents 2005

Issued Patents 2005

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6963527 Information recording method and optical recording medium therefor Hiroko Ohkura, Yoshiyuki Kageyama, Makoto Harigaya, Hajime Yuzurihara, Hiroshi Miura +1 more 2005-11-08
6958180 Phase change optical recording medium Hajime Yuzurihara, Hiroshi Deguchi, Hiroshi Miura, Mikiko Abe 2005-10-25
6884487 Optical recording medium, recording material, method of producing optical recording medium, and optical recording, reading and rewriting method Kazunori Ito, Makoto Harigaya, Takashi Shibaguchi, Hajime Yuzurihara, Nobuaki Onagi +3 more 2005-04-26
6846611 Phase-change optical recording medium Hajime Yuzurihara, Kazunori Ito, Nobuaki Onagi, Masaru Shinkai, Hiroko Ohkura +1 more 2005-01-25