RO

Ryuichi Oikawa

RE Renesas Electronics: 24 patents #71 of 4,529Top 2%
NE Nec: 4 patents #3,388 of 14,502Top 25%
NE Nec Electronics: 2 patents #384 of 1,789Top 25%
DE Denso: 1 patents #6,940 of 11,792Top 60%
Overall (All Time): #120,473 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
7292054 Impedance measuring apparatus of package substrate and method for the same 2007-11-06
6351000 Semiconductor having a heterojunction formed between a plurality of semiconductor layers 2002-02-26
5942764 Semiconductor memory device and method of reading data in semiconductor memory device 1999-08-24
5942778 Switching transistor and capacitor for memory cell 1999-08-24
5675160 Semiconductor memory device having an internal amplification function 1997-10-07