HA

Hideaki Amano

HI Hitachi: 2 patents #339 of 2,942Top 15%
Dai Nippon Printing Co.: 1 patents #48 of 147Top 35%
Overall (1997): #15,849 of 185,788Top 9%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5659445 Recording disk apparatus and rotational supporting structure therefor having improved lubrication arrangement Takashi Yoshida, Takashi Kono, Kenji Tomida, Tomoaki Inoue, Masaaki Nakano +1 more 1997-08-19
5638103 Method for recording and reproducing information, apparatus therefor and recording medium Hiroyuki Obata, Takashi Aono, Hiroshi Mohri, Masato Koike, Norikazu Saito +5 more 1997-06-10
5636081 Magnetic disc apparatus and magnetic disc Teruyoshi Higashiya, Tuneyuki Hasegawa, Masayuki Katsumoto, Yuichi Otani, Mituhiko Oguchi +4 more 1997-06-03