HM

Harukazu Miyamoto

HI Hitachi: 205 patents #2 of 28,497Top 1%
HM Hitachi Maxell: 53 patents #2 of 1,211Top 1%
HC Hitachi Consumer Electronics Co.: 13 patents #5 of 447Top 2%
HB Hgst Netherlands, B.V.: 6 patents #124 of 972Top 15%
IT Inphase Technologies: 3 patents #27 of 85Top 35%
Tdk: 2 patents #1,902 of 3,796Top 55%
Samsung: 2 patents #37,631 of 75,807Top 50%
SO Sony: 2 patents #12,963 of 25,231Top 55%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
HC Hitachi Media Electronics Co.: 1 patents #130 of 214Top 65%
HS Hitachi-Lg Data Storage: 1 patents #177 of 294Top 65%
AH Akonia Holographics: 1 patents #13 of 37Top 40%
📍 Higashimurayama, CA: #1 of 1 inventorsTop 100%
Overall (All Time): #2,495 of 4,157,543Top 1%
228
Patents All Time

Issued Patents All Time

Showing 176–200 of 228 patents

Patent #TitleCo-InventorsDate
6377537 Information recording medium with expanded information recording capability Takeshi Maeda 2002-04-23
6370106 Optical reproduction apparatus Hirofumi Sukeda, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2002-04-09
6339576 Information recording medium which indicates information according to the wobbling of a track and information recording and reproducing apparatus Takeshi Maeda 2002-01-15
6317408 Optical storage medium having information of dummy data at leading side or trailing side of user data Yasushi Miyauchi, Motoyasu Terao, Akemi Hirotsune, Hiroyuki Minemura 2001-11-13
6314075 Optical recording/reproducing apparatus Hiroyuki Minemura, Hisataka Sugiyama 2001-11-06
6307825 Information recording method and apparatus Hiroyuki Minemura, Yasushi Miyauchi 2001-10-23
6262968 Optical information processing apparatus Hirofumi Sukeda, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2001-07-17
6229786 Optical recording medium using land/groove recording Hiroyuki Minemura, Hisataka Sugiyama 2001-05-08
6219331 Information recording medium with tracks having a groove structure having a fixed cycle of wobble Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Hiroyuki Minemura, Tetsuya Fushimi +1 more 2001-04-17
6205098 Optical reproduction method and optical information apparatus Hideki Saga, Seiji Yonezawa 2001-03-20
6200673 Magneto-optical recording medium Toshio Niihara, Motoyasu Terao, Norio Ohta, Masaaki Kurebayashi 2001-03-13
6195316 Optical recording medium using land/groove recording Hiroyuki Minemura, Hisataka Sugiyama 2001-02-27
6181661 Information recording method and apparatus Hiroyuki Minemura, Yasushi Miyauchi 2001-01-30
6111850 Optical recording method for recording dummy data at leading and trailing sides of user data Yasushi Miyauchi, Motoyasu Terao, Akemi Hirotsune, Hiroyuki Minemura 2000-08-29
6104692 Information recording method and apparatus Hiroyuki Minemura, Yasushi Miyauchi 2000-08-15
6069870 Information recording medium which indicates information according to the wobbling of a track and information recording and reproducing apparatus Takeshi Maeda 2000-05-30
6064644 Optical recording medium having particular arrangement of prepits and manufacturing method thereof Hirofumi Sukeda, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 2000-05-16
5982738 Optical recording medium having at least wobbled synchronous information shared between tracks Hirofumi Sukeda, Motoyasu Terao, Hiroyuki Minemura, Tetsuo Andou 1999-11-09
5974023 Information recording medium, information recording method and information recording apparatus Yasushi Miyauchi, Motoyasu Terao, Akemi Hirotsune, Hiroyuki Minemura 1999-10-26
5959943 Information recording medium with clock information therein Seiji Yonezawa, Norio Ohta, Toshio Niihara, Keiji Kataoka, Masahiko Takahashi +2 more 1999-09-28
5953299 Information recording method and apparatus Hiroyuki Minemura, Yasushi Miyauchi 1999-09-14
5953310 Optical recording medium using land/groove recording Hiroyuki Minemura, Hisataka Sugiyama 1999-09-14
5946275 Optical readout method with a direction of a magnetic field applied to a recording medium changed with a signal, and a system therefor Hirofumi Sukeda, Hideki Saga 1999-08-31
5936933 Information recording medium and method and apparatus for recording and reproducing information using the same Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Hiroyuki Minemura, Tetsuya Fushimi +1 more 1999-08-10
5930228 Method and apparatus for recording and reproducing information using pseudo identification signal Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Hiroyuki Minemura, Tetsuya Fushimi +1 more 1999-07-27