HS

Hiroaki Shioyama

HI Hitachi: 2 patents #899 of 4,225Top 25%
Overall (2003): #64,154 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6643231 Optical disc apparatus and method Kazuhiko Ono, Eiji Ikeda, Hiroshi Minoda, Akio Fukushima, Shigeki Inoue 2003-11-04
6552970 Optical disk apparatus Kazuhiko Ono, Eiji Ikeda, Hiroshi Minoda, Akio Fukushima, Shigeki Inoue 2003-04-22