HY

Hiroyuki Yonei

NC Nippon Densan Co.: 10 patents #1 of 61Top 2%
NI Nidec: 3 patents #315 of 976Top 35%
📍 Aisho, JP: #1 of 7 inventorsTop 15%
Overall (All Time): #355,366 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
7460334 Spindle motor and recording-disk drive furnished with the spindle motor Kunihiko Hashimoto 2008-12-02
7254882 Sealing method for through hole formed in metal housing Tokichi Ito, Nobuaki Watanabe, Yoshito Oku 2007-08-14
7105963 Lead wire sealing device, recording disk drive, and method for sealing housing member Tokichi Ito, Nobuaki Watanabe, Yoshito Oku 2006-09-12
5453890 Low airflow hard disk apparatus Kiyoyoshi Takegami, Yoichi Mori, Hirotada Itoi, Itsuo Miyaji, Kihachiro Ohta 1995-09-26
5333079 Low profile hard disk apparatus Kiyoyoshi Takegami, Itsuo Miyaji, Kihachiro Ohta 1994-07-26
5325004 Motor Yoichi Mori, Takashi Yokoyama, Kiyoharu Noguchi 1994-06-28
5317225 Spindle motor and disk clamp mechanism used therein Itsuo Miyaji 1994-05-31
5256922 Spindle motor Tadahiro Tanaka, Yoichi Mori, Yoshiyuki Kodaira 1993-10-26
5214326 Spindle motor with magnetic shield for magnetic fluid seal 1993-05-25
5214331 Lead holder for a spindle motor Hideki Nishimura, Makoto Yoshida 1993-05-25
5153470 Spindle motor Itsuo Miyaji, Takeshi Uda 1992-10-06
5138209 Spindle motor Masanobu Chuta, Hideki Nishimura, Yoshikiyo Nagashima 1992-08-11
5134331 Spindle motor Itsuo Miyaji, Takeshi Uda 1992-07-28
4980587 Spindle motor with precision bearings Yoshito Oku, Susumu Terada 1990-12-25