KY

Katsuyuki Yamada

Ricoh Company: 3 patents #66 of 684Top 10%
Overall (2003): #27,194 of 273,478Top 10%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6652806 Method of producing a sputtering target Yukio Ide, Hiroko Iwasaki, Yoshiyuki Kageyama, Yujiro Kaneko, Michiaki Shinotsuka +2 more 2003-11-25
6580672 Method and apparatus for initializing optical recording media Kyohji Hattori, Kenichi Aihara, Fumiya Ohmi, Eiji Noda, Yujiro Kaneko +2 more 2003-06-17
6503592 Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium Hiroko Iwasaki, Yukio Ide, Makoto Harigaya, Yoshiyuki Kageyama, Hiroshi Deguchi +2 more 2003-01-07