KK

Koyo Katsura

HI Hitachi: 8 patents #5 of 2,942Top 1%
HC Hitachi Engineering Co.: 4 patents #1 of 55Top 2%
Overall (1997): #1,144 of 185,788Top 1%
8
Patents 1997

Issued Patents 1997

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5696540 Display controller Hideo Maejima, Hiroshi Takeda 1997-12-09
5680175 Video signal conversion apparatus having a common frame memory for video signals having different synchronizing signals Norifumi Yanai, Ryo Fujita, Yasushi Fukunaga 1997-10-21
5657045 Graphic pattern processing apparatus Hideo Maejima, Hisashi Kajiwara 1997-08-12
5638095 Graphic pattern processing apparatus having a parallel to serial conversion unit Hideo Maejima, Hisashi Kajiwara 1997-06-10
5631671 Graphic pattern processing apparatus for processing pixels havings a number of bits which may be selected Hideo Maejima, Hisashi Kajiwara 1997-05-20
5631668 Graphic pattern processing apparatus Hideo Maejima, Hisashi Kajiwara 1997-05-20
5610622 Display control device Hiroshi Takeda, Shigeaki Yoshida 1997-03-11
5606338 Display control device Hiroshi Takeda, Shigeaki Yoshida 1997-02-25