TT

Tsuyoshi Toda

HI Hitachi: 54 patents #236 of 28,497Top 1%
HS Hitachi-Lg Data Storage: 13 patents #13 of 294Top 5%
FI Fujifilm Business Innovation: 7 patents #220 of 1,659Top 15%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
📍 Kodaira, JP: #8 of 1,073 inventorsTop 1%
Overall (All Time): #33,730 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 26–50 of 65 patents

Patent #TitleCo-InventorsDate
7304931 Recording medium, optical disk apparatus and writing method Koichiro Nishimura, Masaaki Kurebayashi, Hiroyuki Minemura 2007-12-04
7274643 Information recording and reproducing apparatus and information recording medium Hiroyuki Minemura, Masaaki Kurebayashi 2007-09-25
7227818 Magneto-optical data recording/reproducing method Takeshi Maeda, Fumio Kugiya, Hiroshi Ide, Hiroyuki Tsuchinaga, Fumiyoshi Kirino +2 more 2007-06-05
7170840 Information recording method Hidehiko Kando, Takeshi Maeda, Hiroyuki Minemura, Yasushi Miyauchi, Mitsuhide Miyamoto 2007-01-30
7170838 Information recording and reproducing apparatus Toshimitsu Kaku 2007-01-30
7130256 Mark-length information recording system Takakiyo Yasukawa 2006-10-31
7057996 Information recording method, information recording medium, and information recording apparatus Hidehiko Kando, Takeshi Maeda, Hiroyuki Minemura, Yasushi Miyauchi, Mitsuhide Miyamoto 2006-06-06
7042823 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama, Keikichi Andoo +4 more 2006-05-09
7012871 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama, Keikichi Andoo +4 more 2006-03-14
6909682 Information recording method, information recording medium, and information recording apparatus Hidehiko Kando, Takeshi Maeda, Hiroyuki Minemura, Yasushi Miyauchi, Mitsuhide Miyamoto 2005-06-21
6842415 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama, Keikichi Andoo +4 more 2005-01-11
6680888 Information recording/reproducing apparatus and method and information recording medium Shigeru Nakamura, Takeshi Maeda 2004-01-20
6671239 Information recording/reproducing apparatus and method and information recording medium Shigeru Nakamura, Takeshi Maeda 2003-12-30
6650607 Information recording method, information recording medium, and information recording apparatus Hidehiko Kando, Takeshi Maeda, Hiroyuki Minemura, Yasushi Miyauchi, Mitsuhide Miyamoto 2003-11-18
6608806 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama, Keikichi Andoo +4 more 2003-08-19
6529467 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama, Keikichi Andoo +4 more 2003-03-04
6463020 Arrangements for using detected phase differences for setting laser power levels Hiroyuki Minemura 2002-10-08
6445659 Information recording/reproducing apparatus and method and information recording medium Shigeru Nakamura, Takeshi Maeda 2002-09-03
6343056 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama, Keikichi Andoo +4 more 2002-01-29
6304533 Information recording/reproducing apparatus and method and information recording medium Shigeru Nakamura, Takeshi Maeda 2001-10-16
6272100 Information recording/reproducing apparatus and method and information recording medium Shigeru Nakamura, Takeshi Maeda 2001-08-07
6269062 Arrangements for using detected phase differences for setting laser power levels Hiroyuki Minemura 2001-07-31
6246661 Optical disk recording and retrieving device Shigeki Yamazaki, Toshimitsu Kaku 2001-06-12
6236635 Information recording method and apparatus with suppressed mark edge jitters Makoto Miyamoto, Masatoshi Ohtake, Motoyasu Terao, Junko Ushiyama, Keikichi Andoo +4 more 2001-05-22
6125093 Optical disk recording and retrieving device Shigeki Yamazaki, Toshimitsu Kaku 2000-09-26