YI

Yoshiteru Ishida

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HG HGST: 2 patents #738 of 1,677Top 45%
Overall (All Time): #658,346 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7558931 Write/read apparatus to control overwriting Hitoshi Ogawa, Atsushi Saito, Terumi Takashi 2009-07-07
7408733 Magnetic disk drive and magnetic disk medium Naoki Satoh, Yoshiju Watanabe, Terumi Takashi 2008-08-05
6104331 Reproduced signal processing method, reproduced signal processing circuit, and a magnetic storage apparatus Naoki Satoh, Terumi Takashi, Akihiko Hirano, Seiichi Mita 2000-08-15
5878097 Signal processing delay circuit Kenichi Hase, Ryutaro Horita, Kunio Watanabe, Takashi Nara, Hiroshi Kimura 1999-03-02
5636254 Signal processing delay circuit Kenichi Hase, Ryutaro Horita, Kunio Watanabe, Takashi Nara, Hiroshi Kimura 1997-06-03
5625632 Magnetic disk drive including a data discrimination apparatus capable of correcting signal waveform distortion due to intersymbol interference Kazunori Iwabuchi, Hideyuki Yamakawa, Hiromi Matsushige 1997-04-29
5553104 Information recording/reproducing apparatus having a clock timing extraction circuit for extracting a clock signal from an input data signal Terumi Takashi, Akihiko Hirano, Kazunori Iwabuchi, Hideyuki Yamakawa, Kazuhisa Shiraishi +1 more 1996-09-03
5448424 AGC circuit and recording and reproducing apparatus using AGC circuit Akihiko Hirano, Terumi Takashi, Kazunori Iwabuchi, Hideyuki Yamakawa, Minoru Kosuge 1995-09-05