Inventor
OHBA RYUJI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “OHBA RYUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
12 patentsUS6680505B2Jan 20, 2004
Semiconductor storage element
TOSHIBA KK68 citations96
US5734181AMar 31, 1998
Semiconductor device and manufacturing method therefor
TOSHIBA KK53 citations92
US8039890B2Oct 18, 2011
Random number generating device
TOSHIBA KK8 citations84
US7111029B2Sep 19, 2006
Random number generating circuit
TOSHIBA KK14 citations84
US8969843B2Mar 3, 2015
Memory device
TOSHIBA KK9 citations83
US7573094B2Aug 11, 2009
Random number generating element
TOSHIBA KK7 citations74
US9721654B1Aug 1, 2017
Memory device
TOSHIBA KK4 citations72
US7629642B2Dec 8, 2009
Semiconductor device
TOSHIBA KK6 citations62
US6787795B2Sep 7, 2004
Logic apparatus and logic circuit
TOSHIBA KK5 citations62
US6690030B2Feb 10, 2004
Semiconductor device with negative differential resistance characteristics
TOSHIBA KK6 citations62
US7138651B2Nov 21, 2006
Logic apparatus and logic circuit
TOSHIBA KK0 citations52
US9041091B2May 26, 2015
Nonvolatile semiconductor memory device
TOSHIBA KK0 citations41
OHBA RYUJI
5 patentsUS8587050B2Nov 19, 2013
Semiconductor memory
OHBA RYUJI21 citations91
US8890231B2Nov 18, 2014
Nonvolatile semiconductor memory device with a narrowing charge storage layer
OHBA RYUJI2 citations61
US9061898B2Jun 23, 2015
Memory device
OHBA RYUJI1 citations51
US8916923B2Dec 23, 2014
Nonvolatile semiconductor memory
OHBA RYUJI1 citations51
US8742489B2Jun 3, 2014
Nonvolatile semiconductor memory
OHBA RYUJI1 citations51