JU

Junko Ushiyama

HI Hitachi: 38 patents #558 of 28,497Top 2%
HM Hitachi Maxell: 8 patents #102 of 1,211Top 9%
HS Hitachi-Lg Data Storage: 2 patents #125 of 294Top 45%
📍 Kokubunji, JP: #38 of 714 inventorsTop 6%
Overall (All Time): #86,803 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
6740382 Information recording medium Makoto Miyamoto, Akemi Hirotsune, Keikichi Andoo, Tetsuya Nishida, Motoyasu Terao +1 more 2004-05-25
6709801 Information recording medium Makoto Miyamoto, Yoshihiro Ikari, Tamotsu Fuchioka, Hitoshi Watanabe, Reiji Tamura +2 more 2004-03-23
6703098 Information recording medium and method for manufacturing information recording medium Akemi Hirotsune, Motoyasu Terao, Hiroyuki Minemura, Keikichi Andoo, Yumiko Anzai +1 more 2004-03-09
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
6436504 Information recording medium Makoto Miyamoto, Akemi Hirotsune, Keikichi Andoo, Tetsuya Nishida, Motoyasu Terao +1 more 2002-08-20
6343056 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more 2002-01-29
6312779 Information recording medium and information recording/reproducing apparatus Akemi Hirotsune, Makoto Miyamoto, Keikichi Andoo, Yumiko Anzai, Hisae Wakabayashi +2 more 2001-11-06
6236635 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Keikichi Andoo +4 more 2001-05-22
6231945 Information recording medium Makoto Miyamoto, Akemi Hirotsune, Keikichi Andoo, Tetsuya Nishida, Motoyasu Terao +1 more 2001-05-15
5886969 High-density information recording/reproducing method Takeshi Maeda, Hisataka Sugiyama, Hiroyuki Awano, Harukazu Miyamoto, Keikichi Andoo +5 more 1999-03-23
5835469 High-density information recording/reproducing method Takeshi Maeda, Hisataka Sugiyama, Hiroyuki Awano, Harukazu Miyamoto, Keikichi Andoo +5 more 1998-11-10