KO

Kihachiro Ohta

NC Nippon Densan Co.: 7 patents #2 of 61Top 4%
NI Nippn: 2 patents #4 of 40Top 10%
📍 Ashiya, JP: #35 of 346 inventorsTop 15%
Overall (All Time): #527,266 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5528092 Spindle motor 1996-06-18
5521349 Projection welding method Kenjiro Okamoto, Kuniyasu Iwazaki 1996-05-28
5453890 Low airflow hard disk apparatus Kiyoyoshi Takegami, Yoichi Mori, Hirotada Itoi, Itsuo Miyaji, Hiroyuki Yonei 1995-09-26
5396135 Motor Kuniyasu Iwazaki 1995-03-07
5334895 Spindle motor with the stator core supported by a resin member Yuji Morioka, Masanobu Chuta, Kuniyasu Iwazaki 1994-08-02
5333079 Low profile hard disk apparatus Kiyoyoshi Takegami, Itsuo Miyaji, Hiroyuki Yonei 1994-07-26
5281886 Magnetic disk drive device and spindle motor for use in the same 1994-01-25
5216304 Spindle motor with an improved hub 1993-06-01
5061868 Spindle motor Kuniyasu Iwazaki 1991-10-29
4608127 Dibenzofuran distillation and crystallization process Kiyoshi Sakuma, Tadao Tomioka, Sunao Tabuchi, Masakazu Takeuchi 1986-08-26