HK

Hisashi Kajiwara

HI Hitachi: 10 patents #4,206 of 28,497Top 15%
HC Hitachi Engineering Co.: 10 patents #3 of 572Top 1%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #472,434 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6492992 Graphic pattern processing apparatus Koyo Katsura, Hideo Maejima 2002-12-10
5933344 Microprocessor having timer circuit generating complementary non-overlapped PWM signals Naoki Mitsuishi, Hiroshi Saito, Kenji Takechi, Hiromasa Yamagata, Koichi Hashimura 1999-08-03
5657045 Graphic pattern processing apparatus Koyo Katsura, Hideo Maejima 1997-08-12
5638095 Graphic pattern processing apparatus having a parallel to serial conversion unit Koyo Katsura, Hideo Maejima 1997-06-10
5631671 Graphic pattern processing apparatus for processing pixels havings a number of bits which may be selected Koyo Katsura, Hideo Maejima 1997-05-20
5631668 Graphic pattern processing apparatus Koyo Katsura, Hideo Maejima 1997-05-20
5332995 Graphic pattern processing apparatus Koyo Katsura, Hideo Maejima 1994-07-26
5300947 Graphic pattern processing apparatus Koyo Katsura, Hideo Maejima 1994-04-05
5043713 Graphic data processing apparatus for processing pixels having a number of bits which may be selected Koyo Katsura, Hideo Maejima 1991-08-27
4862150 Graphic pattern processing apparatus Koyo Katsura, Hideo Maejima 1989-08-29
4779210 Graphic processing apparatus Koyo Katsura, Hideo Maejima 1988-10-18