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Hiroshi Deguchi

Ricoh Company: 2 patents #147 of 812Top 20%
Overall (2005): #54,101 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6958180 Phase change optical recording medium Eiko Hibino, Hajime Yuzurihara, Hiroshi Miura, Mikiko Abe 2005-10-25
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, Nobuaki Onagi, Hiroko Tashiro, Kiyoto Shibata +5 more 2005-01-11