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 51–75 of 90 patents

Patent #TitleCo-InventorsDate
7976229 Lens barrier device, lens barrel, and imaging device 2011-07-12
7978434 Magnetic recording medium, method of fabricating the same, and magnetic recording apparatus Kaori Kimura, Masatoshi Sakurai 2011-07-12
7972523 Method of manufacturing magnetic recording medium Kaori Kimura, Yousuke Isowaki, Masatoshi Sakurai 2011-07-05
7967993 Method of manufacturing magnetic recording medium Yousuke Isowaki, Kaori Kimura, Masatoshi Sakurai 2011-06-28
7938978 Method of manufacturing stamper Takuya Shimada, Shinobu Sugimura, Masatoshi Sakurai 2011-05-10
7936537 Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus Kaori Kimura, Masatoshi Sakurai, Akira Kikitsu, Satoshi Shirotori, Hiroyuki Hieda 2011-05-03
7927467 Method of manufacturing discrete track recording medium and discrete track recording medium Satoshi Shirotori, Kaori Kimura, Masatoshi Sakurai 2011-04-19
7923136 Magnetic recording medium and method of manufacturing the same Kaori Kimura, Satoshi Shirotori, Masatoshi Sakurai 2011-04-12
7898768 Patterned medium with magnetic pattern depth relationship Masatoshi Sakurai, Satoshi Shirotori, Kaori Kimura 2011-03-01
7826176 Magnetic recording medium with thicker protective film in edge areas and magnetic recording apparatus using the medium Satoshi Shirotori, Masatoshi Sakurai, Akira Kikitsu, Kaori Kimura 2010-11-02
7782562 Magnetic recording media and magnetic recording device Akira Kikitsu, Masatoshi Sakurai 2010-08-24
7771602 Method and apparatus for manufacturing magnetic recording media Katsuyuki Naito, Akira Kikitsu, Masatoshi Sakurai, Masahiro Oka 2010-08-10
7760467 Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording apparatus Kaori Kimura, Masatoshi Sakurai, Akira Kikitsu, Satoshi Shirotori, Hiroyuki Hieda 2010-07-20
7740767 Method and apparatus for manufacturing patterned media Akira Kikitsu, Satoshi Shirotori, Masatoshi Sakurai 2010-06-22
7738203 Magnetic recording medium Formatted with ROM and RAM regions Masatoshi Sakurai, Seiji Morita, Akira Kikitsu 2010-06-15
7708543 Stamper for magnetic recording media, method of manufacturing magnetic recording media using the same, and method of manufacturing stamper for magnetic recording media Satoshi Shirotori, Masatoshi Sakurai, Akira Kikitsu 2010-05-04
7686972 Method for manufacturing magnetic recording medium Hiroyuki Hieda, Satoshi Shirotori 2010-03-30
7662264 Method for producing magnetic recording medium Satoshi Shirotori, Masatoshi Sakurai 2010-02-16
7655329 Patterned magnetic recording media, stamper for manufacture of patterned magnetic recording media, method of manufacturing patterned magnetic recording media, and magnetic recording/reproduction apparatus Akira Kikitsu, Takayuki Yamamoto, Hiroyuki Hyodo 2010-02-02
7635529 Substrate for magnetic recording media, magnetic recording media and magnetic recording apparatus Katsuyuki Naito, Masatoshi Sakurai, Akira Kikitsu, Naoko Kihara, Masahiro Oka 2009-12-22
7625645 Patterned magnetic recording media, stamper for manufacture of patterned magnetic recording media, method of manufacturing patterned magnetic recording media, and magnetic recording/reproduction apparatus Akira Kikitsu, Takayuki Yamamoto, Hiroyuki Hyodo 2009-12-01
7618549 Method of forming patterns and method of manufacturing magnetic recording media Satoshi Shirotori, Masatoshi Sakurai, Akira Kikitsu 2009-11-17
7616392 Lens barrel and imaging apparatus Ei Igarashi, Hibiki Yoshikawa, Keisuke Ishii 2009-11-10
7575705 Method for manufacturing a magnetic recording medium utilizing first and second imprint stampers Masatoshi Sakurai 2009-08-18
7572528 Magnetic recording medium, method of manufacturing the same, and magnetic recording/reproduction apparatus Takayuki Yamamoto, Masatoshi Sakurai 2009-08-11