SK

Sumio Kuroda

Fujitsu Limited: 16 patents #1,836 of 24,456Top 8%
Toshiba Memory: 3 patents #621 of 1,971Top 35%
TD Toshiba Storage Device: 2 patents #15 of 150Top 10%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Kioxia: 1 patents #1,054 of 1,813Top 60%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #183,329 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11127476 Memory system controlling a threshold voltage in a read operation and method Kazutaka Takizawa, Yoshihisa Kojima, Masaaki Niijima 2021-09-21
10789125 Memory system and method Katsuhiko Ueki, Yasuyuki Ozawa 2020-09-29
10261857 Memory system and method for controlling code rate for data to be stored Katsuhiko Ueki, Yasuyuki Ozawa 2019-04-16
10249349 Control system Kazutaka Takizawa, Yoshihisa Kojima, Masaaki Niijima 2019-04-02
8760983 Information recording apparatus, information playback apparatus, and formatting method Kenichiro Suzuki, Kazuhito Shimomura, Yuji Sakai, Kouichi Ogi 2014-06-24
8111474 Eccentricity correction method, signal processing circuit, magnetic storage apparatus and perpendicular magnetic recording medium Tsugito Maruyama 2012-02-07
7787200 Disk-device correcting system, information managing device, master-disk producing device, and master-disk producing method Hiroyuki Suzuki, Tomoyoshi Yamada, Masanori Fukushi, Kazuhiko Takaishi, Tsugito Maruyama 2010-08-31
7630155 Eccentricity correction method, signal processing circuit, magnetic storage apparatus and perpendicular magnetic recording medium Tsugito Maruyama 2009-12-08
7602566 Magnetic transfer master and method of formatting magnetic recording medium Kazuyuki Ozaki 2009-10-13
7532421 Servo demodulating circuit and method 2009-05-12
7477464 Manufacturing method of recording medium, electric/magnetic field copy master and electric/magnetic field copying device 2009-01-13
7460322 Magnetic transferring apparatus Hiroyuki Suzuki, Yutaka Nakamura 2008-12-02
7203014 Preformat method for magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus Kazuyuki Ozaki 2007-04-10
7203023 Magnetic recording unit and magnetic recording medium Kazuyuki Ozaki 2007-04-10
7102986 Optical disk Mineo Moribe, Koichi Iida, Hiroyuki Takemoto 2006-09-05
6865039 Master medium for magnetic transfer, magnetic transferring and recording method, slave medium for magnetic recording, and method for producing a master medium for magnetic transfer Shingo Hamaguchi, Kazuyuki Ozaki, Ken Tamanoi, Koji Matsumoto 2005-03-08
6757126 Magnetic recording medium having tracking control area formed adjacent data tracks Koichi Iida 2004-06-29
6646961 Optical recording medium driving apparatus Koichi Iida 2003-11-11
6356516 Magneto-optical recording medium and reproducing method for information recorded on the medium Ken Tamanoi, Keiji Shono, Motonobu Mihara, Koji Matsumoto 2002-03-12
6248439 Magneto-optical recording medium and reproducing method for information recorder on the medium Ken Tamanoi, Keiji Shono, Motonobu Mihara, Koji Matsumoto 2001-06-19
5978327 Optical recording medium for land-and-groove recording system Mineo Moribe, Koichi Iida 1999-11-02
5747136 High-density magneto-optic disk and method of manufacturing the same Keiji Shono, Yasunobu Hashimoto, Ken Tamanoi 1998-05-05
5599605 Magneto-optical recording medium and method for producing the same Keiji Shono, Ken Tamanoi, Koji Matsumoto 1997-02-04