MO

Manabu Obata

SO Sony: 26 patents #1,436 of 25,231Top 6%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #155,651 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 25 most recent of 26 patents

Patent #TitleCo-InventorsDate
8356313 Reduced thickness disc drive apparatus Yusuke Izumiya, Kiyoshi Omori 2013-01-15
8286200 Disk drive apparatus and electronic appliance Hideaki Tsutsumi, Yuji Suzuki, Yusuke Izumiya 2012-10-09
RE43454 Disc cartridge including an inner shell formed by severing a molded portion and a flanged thin-walled section Yuji Iwaki, Shuichi Kikuchi, Teiko Hoshi, Naoki Inoue, Mitsuyoshi Kawaguchi 2012-06-05
8112773 Disk transfer mechanism, and disk drive device Hideaki Tsutsumi, Shigeru Tamura, Kiyoshi Omori, Yoichiro Mitsumoto 2012-02-07
7856641 Disk drive device and centering members therefor Kiyoshi Omori, Noriyoshi Ishii, Hideaki Tsutsumi, Shigeru Tamura, Katsunori Takahashi +2 more 2010-12-21
7676819 Disk conveying apparatus Hideaki Tsutsumi, Kiyoshi Omori, Shigeru Tamura, Yoichiro Mitsumoto 2010-03-09
7350220 Disk drive unit Zensaku Mitsuji, Morihiro Murata, Hisashi Negoro, Yusuke Hirano 2008-03-25
7284254 Disk cartridge and disk recording medium device having shutter members Yuji Iwaki, Mitsuyoshi Kawaguchi, Mitsunori Matsumura 2007-10-16
7237247 Disc cartridge having deeper concave portion continuous with shutter opener/closer groove Hironori Okazawa, Teruyuki Takizawa, Yoshito Saji, Kuniko Nakata, Naoki Inoue +1 more 2007-06-26
7222351 Shutter closing mechanism and disc driving apparatus Hideaki Tsutsumi, Zensaku Mitsuji, Mitsunori Matsumura 2007-05-22
7137129 Disk drive apparatus Mitsunori Matsumura, Zensaku Mitsuji, Hideaki Tsutsumi, Hisashi Negoro 2006-11-14
7127732 Disc cartridge including an inner shell formed by severing a molded portion and a flanged thin-walled section Yuji Iwaki, Shuichi Kikuchi, Teiko Hoshi, Naoki Inoue, Mitsuyoshi Kawaguchi 2006-10-24
7103898 Method for producing inner shell for a disc cartridge Yuji Iwaki, Shuichi Kikuchi, Teiko Hoshi, Naoki Inoue, Mitsuyoshi Kawaguchi 2006-09-05
7103900 Disc cartridge with crank-shaped dust intrusion prohibiting unit Yuji Iwaki, Shuichi Kikuchi, Teiko Hoshi, Naoki Inoue, Mitsuyoshi Kawaguchi 2006-09-05
7057854 Disk cartridge having a dust-proof shutter Yuji Iwaki, Naoki Inoue, Mitsuyoshi Kawaguchi 2006-06-06
7051349 Disc cartridge, disc recording medium unit and disc recorder and/or reproducer Naoki Inoue 2006-05-23
7017170 Disk cartridge with inner shell supported for rotation in guide groove formed in an upper shell Yuji Iwaki, Shuichi Kikuchi, Teiko Hoshi, Naoki Inoue, Mitsuyoshi Kawaguchi 2006-03-21
6973660 Disk driver 2005-12-06
6964056 Disk type recording and reproducing device Mitsunori Matsumura, Yoichiro Mitsumoto, Hideaki Tsutsumi 2005-11-08
6944875 Disc cartridge with shutter overlapping gap having labyrinth shaped portion spaced to have a recessed dust deposition portion Mitsuyoshi Kawaguchi, Yuji Iwaki 2005-09-13
6900965 Disk cartridge Naoki Inoue 2005-05-31
6839900 Disk cartridge, a method of manufacturing same, and a recording/reproducing system Mitsunori Matsumura 2005-01-04
6728199 Disk cartridge Mitsunori Matsumura 2004-04-27
6700741 Disk cartridge with a plurality of shutter members Naoki Inoue 2004-03-02
6700863 Disk cartridge Naoki Inoue 2004-03-02