HO

Hiroshi Ohtaka

HI Hitachi: 2 patents #771 of 3,950Top 20%
Overall (2002): #62,323 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6407506 Display apparatus, display method and control-drive circuit for display apparatus Kazutaka Naka, Michitaka Ohsawa, Akihiko Kougami 2002-06-18
6404411 Display panel driving method and discharge type display apparatus Takeo Masuda, Takashi Sasaki, Masaji Ishigaki 2002-06-11