AH

Akemi Hirotsune

HI Hitachi: 6 patents #133 of 4,225Top 4%
HM Hitachi Maxell: 3 patents #13 of 92Top 15%
Overall (2003): #7,043 of 273,478Top 3%
6
Patents 2003

Issued Patents 2003

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6650608 Information recording medium, information recording method and information recording apparatus Yasushi Miyauchi, Motoyasu Terao, Hiroyuki Minemura, Harukazu Miyamoto 2003-11-18
6636477 Information recording medium and information recording device Makoto Miyamoto, Junko Ushiyama, Keikichi Ando, Yumiko Anzai, 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, Junko Ushiyama +4 more 2003-08-19
6532034 Optical disk, optical disk apparatus, and method for writing figures Yoshiko Nishi, Yumiko Anzai 2003-03-11
6529467 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Tsuyoshi Toda, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama +4 more 2003-03-04
6519219 Information recording method for recording a recording signal and a dummy signal added to a leading or/and trailing side of the recording signal Yasushi Miyauchi, Motoyasu Terao, Hiroyuki Minemura, Harukazu Miyamoto 2003-02-11