OI

Osamu Ishizaki

HM Hitachi Maxell: 2 patents #17 of 92Top 20%
Overall (2003): #49,303 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6657947 Information recording medium and error detecting method Shigeo Fujitani 2003-12-02
6654338 Disk cartridge Minoru Fujita, Satoshi Yamagata 2003-11-25