YK

Yoshiyuki Kamata

KT Kabushiki Kaisha Toshiba: 76 patents #153 of 21,451Top 1%
SO Sony: 10 patents #4,411 of 25,231Top 20%
SK Showa Denko K.K.: 4 patents #353 of 1,736Top 25%
FC Furukawa Electric Co.: 3 patents #622 of 2,370Top 30%
FC Fukukawa Electric Co.: 1 patents #1 of 16Top 7%
Overall (All Time): #17,971 of 4,157,543Top 1%
90
Patents All Time

Issued Patents All Time

Showing 26–50 of 90 patents

Patent #TitleCo-InventorsDate
8349163 Perpendicular magnetic recording medium, method of manufacturing the same, and magnetic read/write apparatus Satoshi Shirotori, Akira Watanabe, Masatoshi Sakurai 2013-01-08
8343362 Stamper manufacturing method Takuya Shimada, Shinobu Sugimura, Masatoshi Sakurai 2013-01-01
8338007 Magnetic recording medium and magnetic recording apparatus Kaori Kimura, Satoshi Shirotori, Tsuyoshi Onitsuka 2012-12-25
8333899 Method of manufacturing magnetic recording medium Masatoshi Sakurai, Kaori Kimura, Yousuke Isowaki, Akira Watanabe 2012-12-18
8318331 Magnetic recording medium, method for manufacturing the same, and magnetic recording apparatus Masatoshi Sakurai, Satoshi Shirotori 2012-11-27
8308965 Stamper, method of manufacturing the stamper, and magnetic recording medium manufacturing method using the stamper Masatoshi Sakurai, Satoshi Shirotori, Seiji Morita, Shinobu Sugimura, Takuya Shimada 2012-11-13
8298690 Magnetic recording medium, method and apparatus for manufacturing magnetic recording apparatus Hiroyuki Hieda, Kazuto Kashiwagi, Akira Kikitsu, Yousuke Isowaki 2012-10-30
8300340 Magnetic recording medium Masatoshi Sakurai, Ryosuke Yamamoto, Naoko Kihara, Akiko Yuzawa 2012-10-30
8257560 Patterned media and method of manufacturing the same, and magnetic recording apparatus Masatoshi Sakurai, Satoshi Shirotori, Kaori Kimura 2012-09-04
8221637 Method and apparatus for manufacturing magnetic recording media Katsuyuki Naito, Akira Kikitsu, Masatoshi Sakurai, Masahiro Oka 2012-07-17
8206602 Method of manufacturing magnetic recording medium Kaori Kimura, Yousuke Isowaki, Masatoshi Sakurai 2012-06-26
8153205 Patterned medium and method of manufacturing the same Akira Kikitsu, Masatoshi Sakurai 2012-04-10
8105952 Method of forming a pattern Naoko Kihara, Hiroyuki Hieda 2012-01-31
8097351 Magnetic recording apparatus Takeshi Okino, Seiji Morita, Satoshi Shirotori, Masatoshi Sakurai, Hiroaki Nakamura 2012-01-17
8077416 Magnetic recording medium formatted with ROM and RAM regions Masatoshi Sakurai, Seiji Morita, Akira Kikitsu 2011-12-13
8057689 Method of manufacturing magnetic recording medium Yousuke Isowaki, Kaori Kimura, Masatoshi Sakurai 2011-11-15
8059368 Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording apparatus Kaori Kimura, Masatoshi Sakurai, Akira Kikitsu, Satoshi Shirotori, Hiroyuki Hieda 2011-11-15
8049993 Magnetic recording medium and magnetic storage device Satoshi Shirotori, Kaori Kimura 2011-11-01
8043516 Method of manufacturing magnetic recording medium and magnetic recording medium Kaori Kimura, Satoshi Shirotori, Masatoshi Sakurai 2011-10-25
8029682 Method of manufacturing magnetic recording medium Yousuke Isowaki, Kaori Kimura, Masatoshi Sakurai 2011-10-04
8017023 Method of manufacturing magnetic recording medium and magnetic recording medium Kaori Kimura, Yousuke Isowaki, Masatoshi Sakurai 2011-09-13
8012361 Method of manufacturing magnetic recording medium Kaori Kimura, Yousuke Isowaki, Masatoshi Sakurai 2011-09-06
8002997 Method of manufacturing magnetic recording medium and magnetic recording medium Kaori Kimura, Yousuke Isowaki, Masatoshi Sakurai 2011-08-23
7993536 Method of manufacturing magnetic recording medium Yousuke Isowaki, Kaori Kimura, Masatoshi Sakurai 2011-08-09
7983004 Magnetic recording medium with magnetic film pattern sidewalls having at least two faces of different slope angles and magnetic recording apparatus having the same Satoshi Shirotori, Masatoshi Sakurai, Akira Kikitsu 2011-07-19