RO

Rikuro Obara

MC Minebea Co.: 77 patents #2 of 736Top 1%
M( Minebea Co., Ltd. (Minebea): 3 patents #1 of 9Top 15%
Overall (All Time): #21,785 of 4,157,543Top 1%
82
Patents All Time

Issued Patents All Time

Showing 76–82 of 82 patents

Patent #TitleCo-InventorsDate
5765275 Method of manufacturing hard disk drive unit 1998-06-16
5723926 Stepping motor Hirotaka Ichimura 1998-03-03
5698919 Integral bearing type electric motor 1997-12-16
5655846 Bearing assembly and method of manufacturing the same 1997-08-12
5649442 Method of manufacturing casing base for hard disc drive device Hiroshi Yoshikawa 1997-07-22
5560717 Compound ball bearing Katashi Tatsuno 1996-10-01
5556209 Double-row ball bearing Katashi Tatsuno 1996-09-17