MS

Masatoshi Sakurai

KT Kabushiki Kaisha Toshiba: 98 patents #84 of 21,451Top 1%
OS Osg: 11 patents #2 of 119Top 2%
SK Showa Denko K.K.: 5 patents #278 of 1,736Top 20%
HC Hitachi Construction Machinery Co.: 2 patents #502 of 1,234Top 45%
NU National University Corporation Tohoku University: 2 patents #36 of 170Top 25%
TC Takara Co.: 2 patents #38 of 93Top 45%
📍 Nerima, JP: #2 of 118 inventorsTop 2%
Overall (All Time): #10,165 of 4,157,543Top 1%
119
Patents All Time

Issued Patents All Time

Showing 51–75 of 119 patents

Patent #TitleCo-InventorsDate
8077416 Magnetic recording medium formatted with ROM and RAM regions Seiji Morita, Akira Kikitsu, Yoshiyuki Kamata 2011-12-13
8070968 Ultraviolet-curable resin material for pattern transfer and magnetic recording medium manufacturing method using the same Kazuyo Umezawa, Seiji Morita 2011-12-06
8059368 Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording apparatus Kaori Kimura, Akira Kikitsu, Yoshiyuki Kamata, Satoshi Shirotori, Hiroyuki Hieda 2011-11-15
8057689 Method of manufacturing magnetic recording medium Yousuke Isowaki, Kaori Kimura, Yoshiyuki Kamata 2011-11-15
8057214 Method and apparatus for manufacturing plate-like structure Ryoichi Takahashi 2011-11-15
8043516 Method of manufacturing magnetic recording medium and magnetic recording medium Kaori Kimura, Yoshiyuki Kamata, Satoshi Shirotori 2011-10-25
8029682 Method of manufacturing magnetic recording medium Yousuke Isowaki, Kaori Kimura, Yoshiyuki Kamata 2011-10-04
8017023 Method of manufacturing magnetic recording medium and magnetic recording medium Yoshiyuki Kamata, Kaori Kimura, Yousuke Isowaki 2011-09-13
8012361 Method of manufacturing magnetic recording medium Kaori Kimura, Yousuke Isowaki, Yoshiyuki Kamata 2011-09-06
8002997 Method of manufacturing magnetic recording medium and magnetic recording medium Yoshiyuki Kamata, Kaori Kimura, Yousuke Isowaki 2011-08-23
7993536 Method of manufacturing magnetic recording medium Yousuke Isowaki, Kaori Kimura, Yoshiyuki Kamata 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, Yoshiyuki Kamata, Akira Kikitsu 2011-07-19
7978434 Magnetic recording medium, method of fabricating the same, and magnetic recording apparatus Kaori Kimura, Yoshiyuki Kamata 2011-07-12
7972523 Method of manufacturing magnetic recording medium Kaori Kimura, Yousuke Isowaki, Yoshiyuki Kamata 2011-07-05
7967993 Method of manufacturing magnetic recording medium Yousuke Isowaki, Kaori Kimura, Yoshiyuki Kamata 2011-06-28
7938978 Method of manufacturing stamper Takuya Shimada, Shinobu Sugimura, Yoshiyuki Kamata 2011-05-10
7936537 Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus Kaori Kimura, Akira Kikitsu, Yoshiyuki Kamata, Satoshi Shirotori, Hiroyuki Hieda 2011-05-03
7933088 Disk drive having a disk of discrete-track media type Hideo Sado, Yuji Sakai 2011-04-26
7927467 Method of manufacturing discrete track recording medium and discrete track recording medium Yoshiyuki Kamata, Satoshi Shirotori, Kaori Kimura 2011-04-19
7923136 Magnetic recording medium and method of manufacturing the same Kaori Kimura, Yoshiyuki Kamata, Satoshi Shirotori 2011-04-12
7898768 Patterned medium with magnetic pattern depth relationship Yoshiyuki Kamata, Satoshi Shirotori, Kaori Kimura 2011-03-01
7894155 Magnetic recording medium, method of fabricating the same, and magnetic recording apparatus Kazuto Kashiwagi, Akira Kikitsu 2011-02-22
7848046 Magnetic disk apparatus Akira Kikitsu, Kazuto Kashiwagi 2010-12-07
7833458 Imprinting method and stamper Akiko Yuzawa, Seiji Morita, Shinobu Sugimura 2010-11-16
7826176 Magnetic recording medium with thicker protective film in edge areas and magnetic recording apparatus using the medium Satoshi Shirotori, Akira Kikitsu, Yoshiyuki Kamata, Kaori Kimura 2010-11-02