Inventor
NISHIYAMA RIE
JP10 patents
⚠️ This page may combine multiple inventors who share the name “NISHIYAMA RIE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
4 patentsUS6249145B1Jun 19, 2001
Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit
HITACHI LTD73 citations97
US6677780B2Jan 13, 2004
Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit
HITACHI LTD13 citations92
US6504400B2Jan 7, 2003
Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit
HITACHI LTD21 citations92
US6392439B2May 21, 2002
Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit
HITACHI LTD16 citations92
TANAKA KAZUO
2 patentsUS8139332B2Mar 20, 2012
Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit
TANAKA KAZUO1 citations60
US8674745B2Mar 18, 2014
Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit
TANAKA KAZUO0 citations50