ST

Shigeki Takagawa

SO Sony: 10 patents #4,411 of 25,231Top 20%
Tdk: 2 patents #1,902 of 3,796Top 55%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
Overall (All Time): #516,153 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
8846173 Optical recording medium and manufacturing method of optical recording medium Yo Ota, Hiroshi Uchiyama 2014-09-30
8470429 Optical recording medium Kotaro Kurokawa 2013-06-25
8465822 Optical recording medium Kotaro Kurokawa 2013-06-18
8409686 Optical recording medium and method for manufacturing the same Hiroyasu Inoue, Takashi Kikukawa, Koji Mishima, Yoshiaki Komma, Joji Anzai +2 more 2013-04-02
8241834 Optical recording medium and production method therefor, and sputtering target and production method therefor Kouichi Yasuda 2012-08-14
8206805 Optical recording medium, and method for producing optical recording medium Yoshiaki Komma, Joji Anzai, Hiroyasu Inoue, Takashi Kikukawa, Koji Mishima +2 more 2012-06-26
7972673 Optical recording medium Tetsuhiro Sakamoto, Takashi Shimouma, Jun Nakano, Goro Fujita 2011-07-05
7924672 Optical-disk recording medium, playing apparatus and method for same, and recording apparatus and method for same Goro Fujita, Takashi Shimouma, Jun Nakano, Kimihiro Saito 2011-04-12
6999396 Initialization method of optical recording medium Kotaro Kurokawa, Takeshi Yamasaki, Daisuke Ueda, Masanobu Yamamoto 2006-02-14
5768221 Method of and apparatus for initializing multi-layer optical recording medium Yutaka Kasami, Koichi Yasuda, Atsushi Fukumoto 1998-06-16