YO

Yoshito Oku

NI Nidec: 12 patents #67 of 976Top 7%
NC Nippon Densan Co.: 2 patents #15 of 61Top 25%
Overall (All Time): #354,986 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7578621 Fluid dynamic-pressure bearing device and spindle motor Hideki Nishimura 2009-08-25
7290934 Fluid dynamic-pressure bearing device and spindle motor Hideki Nishimura 2007-11-06
7254882 Sealing method for through hole formed in metal housing Tokichi Ito, Nobuaki Watanabe, Hiroyuki Yonei 2007-08-14
7105963 Lead wire sealing device, recording disk drive, and method for sealing housing member Tokichi Ito, Nobuaki Watanabe, Hiroyuki Yonei 2006-09-12
7059772 Hydrodynamic bearing, spindle motor using the same and disc drive apparatus provided with spindle motor Yusuke Matsumoto 2006-06-13
6914358 Spindle motor and disk drive furnished therewith Shinya Tokunaga, Kaoru Uenosono, Hideki Nishimura 2005-07-05
6888278 Spindle motor and disk drive utilizing the spindle motor Hideki Nishimura, Shinya YANO 2005-05-03
6836388 Spindle motor and disk drive utilizing the spindle motor Hideki Nishimura, Shinya YANO 2004-12-28
6781268 Spindle motor, and disk drive utilizing the spindle motor 2004-08-24
6097121 Spindle motor design facilitating and ensuring precise assembly of the motor 2000-08-01
5831355 Spindle motor 1998-11-03
5559382 Spindle motor Shozo Ibara, Shigeharu Sumi, Hiromasa Fujii 1996-09-24
5457588 Low profile hydrodynamic motor having minimum leakage properties Shinobu Hattori, Yasuhiro Higuchi 1995-10-10
4980587 Spindle motor with precision bearings Hiroyuki Yonei, Susumu Terada 1990-12-25