YI

Yasuhiro Ishizaka

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #864,927 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7923860 Switching power supply circuit capable of timing adjustment of signal Katsuhisa Furuse, Senta Sekido 2011-04-12
7884584 Switching power supply circuit Katsuhisa Furuse, Shohtaroh Sohma, Koichi Hagino, Shinichiro Yamada, Toshiya Murota +1 more 2011-02-08
7548581 At-command analyzing device Tadanori Ryu, Izumi Kinoshita 2009-06-16
7321615 At-command analyzing method Tadanori Ryu, Izumi Kinoshita 2008-01-22
6704350 AT-command analyzing device Tadanori Ryu, Izumi Kinoshita 2004-03-09
5838183 Clock signal generator having voltage level converting circuit 1998-11-17