TH

Takehiko Hamaguchi

HI Hitachi: 3 patents #329 of 3,771Top 9%
HG HGST: 1 patents #12 of 72Top 20%
Overall (2004): #11,408 of 270,089Top 5%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6822818 Magnetic hard disk drive Kyo Akagi, Hisashi Takano, Takayuki Ichihara 2004-11-23
6760172 Magnetic disk drive Hideki Zaitsu, Futoshi Tomiyama 2004-07-06
6717760 Magnetic disk drive Futoshi Tomiyama, Hideki Zaitsu, Hisashi Takano 2004-04-06
6683823 Method for reproducing information on a recording medium Hideki Saga, Hiroaki Nemoto, Hirofumi Sukeda, Masahiko Takahashi, Kimio Nakamura +2 more 2004-01-27