RI

Ryuji Ishida

NE Nec: 11 patents #1,181 of 14,502Top 9%
Overall (All Time): #473,496 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6003141 Single chip processor with externally executed test function 1999-12-14
5991212 Semi-conductor integrated circuit device having an external memory and a test method therefor 1999-11-23
5831878 Exponential and logarithmic conversion circuit 1998-11-03
5506796 Digital signal processing circuit selectively operable in either a normal or a pseudorandom noise generative mode 1996-04-09
5367550 Break address detecting circuit 1994-11-22
5325321 High speed parallel multiplication circuit having a reduced number of gate stages 1994-06-28
5251166 Redundant binary type digital operation unit 1993-10-05
5223832 Serial data transmission circuit 1993-06-29
5109415 Audio signal processing system performing balance control in both amplitude and phase of audio signal 1992-04-28
5089999 Disc control apparatus Toyoo Kiuchi 1992-02-18
4945507 Overflow correction circuit Toyoo Kiuchi 1990-07-31