JU

Junko Ushiyama

HI Hitachi: 3 patents #512 of 4,225Top 15%
HM Hitachi Maxell: 1 patents #31 of 92Top 35%
📍 Kokubunji, JP: #21 of 131 inventorsTop 20%
Overall (2003): #27,539 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6636477 Information recording medium and information recording device Makoto Miyamoto, Keikichi Ando, Yumiko Anzai, Akemi Hirotsune, Motoyasu Terao +3 more 2003-10-21
6608806 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more 2003-08-19
6529467 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more 2003-03-04