Inventor
OHKUMA KENJI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “OHKUMA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
7 patentsUS7194090B2Mar 20, 2007
Encryption apparatus, decryption apparatus, expanded key generating apparatus and method therefor, and recording medium
TOSHIBA KK60 citations97
US7227948B2Jun 5, 2007
Encryption apparatus and method, and decryption apparatus and method based on block encryption
TOSHIBA KK29 citations92
US7305085B2Dec 4, 2007
Encryption apparatus and method, and decryption apparatus and method based on block encryption
TOSHIBA KK17 citations84
US7209556B2Apr 24, 2007
Encryption apparatus and method, and decryption apparatus and method based on block encryption
TOSHIBA KK12 citations84
US8543630B2Sep 24, 2013
Exponentiation calculation apparatus and method for calculating square root in finite extension field
TOSHIBA KK2 citations62
US7492903B2Feb 17, 2009
Secret key distribution method and secret key distribution system
TOSHIBA KK3 citations62
US7321429B2Jan 22, 2008
Microscope using quantum-mechanically entangled photons
TOSHIBA KK0 citations51
YONEMURA TOMOKO
3 patentsUS8782114B2Jul 15, 2014
Arithmetic device
YONEMURA TOMOKO3 citations60
US8533243B2Sep 10, 2013
Representation converting apparatus, arithmetic apparatus, representation converting method, and computer program product
YONEMURA TOMOKO2 citations60
US8438205B2May 7, 2013
Exponentiation calculation apparatus and method for calculating square root in finite extension field
YONEMURA TOMOKO3 citations60