TY

Takeshi Yamasaki

SO Sony: 43 patents #620 of 25,231Top 3%
ML Mitsubishi Paper Mills Limited: 5 patents #76 of 458Top 20%
LI Lintec: 4 patents #114 of 514Top 25%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
NL Nippon Mining Company Limited: 2 patents #46 of 262Top 20%
FL Fujitsu Ten Limited: 2 patents #266 of 996Top 30%
TC Tatsuta Electric Wire & Cable Co.: 2 patents #35 of 100Top 35%
AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
TL Teijin Chemicals Limited: 1 patents #80 of 196Top 45%
TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
MH Misawa Home: 1 patents #6 of 14Top 45%
AC Alp Electric Co.: 1 patents #1 of 14Top 8%
Overall (All Time): #42,972 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 26–50 of 57 patents

Patent #TitleCo-InventorsDate
7596077 Optical disk Toshiyuki Kashiwagi, Tomomi Yukumoto 2009-09-29
7589130 Coating composition, coating film, method of manufacturing coating film, and optical recording medium Yuki Hongo, Satoru Shoshi, Hideo Senoo, Tomomi Yukumoto 2009-09-15
7583580 Optical recording medium as well as optical recording and reproduction method Kimihiro Saito, Ariyoshi Nakaoki 2009-09-01
7480928 Optical recording medium and method of producing the same Tomomi Yukumoto, Toshiyuki Kashiwagi 2009-01-20
7307941 Optical recording medium having substantially uniform interlayer structure Tomomi Yukumoto 2007-12-11
7295508 Optical disk Daisuke Ueda, Toshiyuki Kashiwagi 2007-11-13
7285332 Laminate roll Masahiro Hosoi, Kazuo Yahata, Junichi Shibata, Tomomi Yukumoto 2007-10-23
7089986 Laminating apparatus for optical disc Takuya Hayasaka, Tomomi Yukumoto 2006-08-15
7005174 Optical recording medium-producing sheet and optical recording medium Tomomi Yukumoto, Sou Miyata, Kazuya Katoh, Shin Kubota 2006-02-28
6999396 Initialization method of optical recording medium Kotaro Kurokawa, Daisuke Ueda, Shigeki Takagawa, Masanobu Yamamoto 2006-02-14
6986861 Method of producing an optical recording medium Tomomi Yukumoto, Toshiyuki Kashiwagi 2006-01-17
6928651 Initialization method of optical recording medium Kotaro Kurokawa, Tomomi Yukumoto, Masanobu Yamamoto, Daisuke Ueda 2005-08-09
6823528 Protective film for optical disks and optical disk using the film Tomomi Yukumoto, Kazuya Katoh 2004-11-23
6780262 Multilayer disc manufacturing apparatus, and disc bonding method Tomomi Yukumoto, Motohisa Haga 2004-08-24
6707787 Optical recording medium Tomomi Yukumoto, Toshiyuki Kashiwagi 2004-03-16
6663935 Disk-like multilayer information recording medium and production method thereof Toshiyuki Kashiwagi, Motohiro Furuki, Tomomi Yukumoto 2003-12-16
6574180 Multilayer optical disk and method of initializing the same Kotaro Kurokawa, Koichi Yasuda, Tomomi Yukumoto 2003-06-03
6524418 Method of production of multilayer optical recording medium Tomomi Yukumoto, Toshiyuki Kashiwagi, Yuji Akiyama, Eijiro Kikuno 2003-02-25
6440516 Optical disc Tomomi Yukumoto, Motohiro Furuki, Toshiyuki Kashiwagi 2002-08-27
6335775 Liquid crystal device having liquid crystal orientation layers including repetitive asymmetrical projects along a plurality of grooves Takashi Iwamura, Nobuhiro Kihara, Katsuya Shirai, Keiichi Nito, Masanobu Yamamoto +1 more 2002-01-01
6242066 Optical recording medium, optical recording and reproducing apparatus using the same and manufacturing method of optical recording medium Tomomi Yukumoto, Motohiro Furuki, Toshiyuki Kashiwagi 2001-06-05
5978065 Liquid crystal device and manufacturing method and apparatus therefor Koichi Kawasumi, Eriko Matsui, Akio Yasuda, Yuji Shiina, Tadashi Kiyomiya +1 more 1999-11-02
5838075 Anti-theft device for a vehicle 1998-11-17
5805744 Magneto-optical pickup device having phase compensating circuitry Satoshi Nakano, Teiichi Miyauchi, Satoshi Sasaki 1998-09-08
5625725 Magneto-optical pickup device having phase compensating circuitry Satoshi Nakano, Teiichi Miyauchi, Satoshi Sasaki 1997-04-29