NS

Naoki Shimamura

AE Alpine Electronics: 7 patents #30 of 637Top 5%
HG HGST: 2 patents #738 of 1,677Top 45%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #513,909 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8983104 Ring-shaped speaker having two voice coils and control member 2015-03-17
8358181 Substrate attenuator circuit 2013-01-22
8319998 Billing system capable of being connected to an output apparatus having printing function and copy function via a network server apparatus capable of being connected to an output apparatus having printing function and copy function via a network and method of billing by system capable of being connected to an output apparatus having printing function and copy function via a network Takashi Kaneko, Hayato Sakae 2012-11-27
7957087 Servo write method and servo write system for hard-disk drive Yasunori Nishimoto, Yoshiteru Katsumura, Hiroshi Fukuyama 2011-06-07
7684586 Dual voice coil speaker 2010-03-23
7630505 Loudspeaker system 2009-12-08
7433487 Speaker 2008-10-07
7423825 Disk unit and manufacturing method thereof Osama Takazawa, Kaoru Umemura, Kazuhiko Washizu 2008-09-09
6158109 Coil manufacturing method using ring shaped spacer Kei Tanabe 2000-12-12
5937076 Magnetic drive apparatus and method for manufacturing coil that forms the apparatus Kei Tanabe 1999-08-10