AH

Akemi Hirotsune

HI Hitachi: 7 patents #42 of 2,733Top 2%
Overall (2011): #9,261 of 364,097Top 3%
7
Patents 2011

Issued Patents 2011

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
8040712 Information memory device and memory medium Takao Watanabe, Toshimichi Shintani, Takeshi Maeda, Yoshitaka Bito 2011-10-18
7948861 Optical disk and recording method of visible figures into optical disk 2011-05-24
7911910 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama +4 more 2011-03-22
7911930 Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information Harukazu Miyamoto, Takeshi Maeda 2011-03-22
7907490 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama +4 more 2011-03-15
7907491 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama +4 more 2011-03-15
7876667 Optical information recording medium, and information recording method and information reproducing method using the same Toshimichi Shintani, Yumiko Anzai, Hiromi Kudo 2011-01-25