MU

Mariko Umeda

HI Hitachi: 10 patents #4,206 of 28,497Top 15%
NK Nippon Kayaku: 3 patents #255 of 1,103Top 25%
HS Hitachi-Lg Data Storage: 2 patents #125 of 294Top 45%
Overall (All Time): #384,158 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8657432 Ink composition and textile printing method using the same Shinsuke Shimizu, Yoshiki Akatani 2014-02-25
RE43018 Optical disk apparatus and tracking method Hiroyuki Minemura, Motoyuki Suzuki 2011-12-13
7746734 Optical disk apparatus and tracking method Hiroyuki Minemura, Motoyuki Suzuki 2010-06-29
7558178 Information recording/reproducing method and information recording/reproducing apparatus Takahiro Kurokawa, Hiroyuki Minemura, Harukazu Miyamoto 2009-07-07
7507283 Aqueous dispersion, ink composition and inkjet recording method using same Yoshiki Akatani, Katsunori Fujii, Yuji Suzuki, Tadahiko Tabe, Yoshiyuki Dejima 2009-03-24
7352673 Recording method and recording apparatus Hiroyuki Minemura 2008-04-01
7068572 Optical head and optical disk apparatus Tetsuo Ariyoshi, Takeshi Shimano 2006-06-27
6807133 Optical head and optical disk apparatus Tetsuo Ariyoshi, Takeshi Shimano 2004-10-19
6653454 Formazane compounds and method of dyeing using the same Hideshiro Nomura, Yasuo Shirasaki, Eiichi Ogawa 2003-11-25
5784347 Optical disk device having optical phase compensator Harukazu Miyamoto, Takeshi Shimano, Hisataka Sugiyama 1998-07-21
5511050 Focus error detecting method and optical head using the same Kiyoshi Matsumoto, Takeshi Maeda, Shigeru Nakamura, Masuo Kasai 1996-04-23
5490133 Optical information processing apparatus and method of controlling position of optical spot and reproducing signals Shigeru Nakamura, Takeshi Nakao, Akira Arimoto 1996-02-06
5361244 Optical head and information recording apparatus Shigeru Nakamura, Akira Arimoto, Takeshi Nakao 1994-11-01