Inventor

AOKI KAZUMARO

JP11 patents

⚠️ This page may combine multiple inventors who share the name “AOKI KAZUMARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

6 patents

US6769063B1Jul 27, 2004

Data converter and recording medium on which program for executing data conversion is recorded

NIPPON TELEGRAPH & TELEPHONE65 citations96

US6578061B1Jun 10, 2003

Method and apparatus for data permutation/division and recording medium with data permutation/division program recorded thereon

NIPPON TELEGRAPH & TELEPHONE45 citations95

US6038581AMar 14, 2000

Scheme for arithmetic operations in finite field and group operations over elliptic curves realizing improved computational speed

NIPPON TELEGRAPH & TELEPHONE39 citations95

US7187769B1Mar 6, 2007

Method and apparatus for evaluating the strength of an encryption

NIPPON TELEGRAPH & TELEPHONE12 citations83

US6859818B2Feb 22, 2005

Method and apparatus for permuting input data and recording medium having stored thereon a program for executing permutation

NIPPON TELEGRAPH & TELEPHONE2 citations62

US6850960B2Feb 1, 2005

Inverse calculation apparatus and recording medium having stored thereon a program for executing inverse calculation

NIPPON TELEGRAPH & TELEPHONE2 citations62

MITSUBISHI ELECTRIC CORP

5 patents

US7697684B2Apr 13, 2010

Block cipher apparatus using auxiliary transformation

MITSUBISHI ELECTRIC CORP12 citations92

US7822196B2Oct 26, 2010

Block cipher apparatus using auxiliary transformation

MITSUBISHI ELECTRIC CORP6 citations73

US7760871B2Jul 20, 2010

Block cipher using auxiliary transformation

MITSUBISHI ELECTRIC CORP3 citations62

US7760870B2Jul 20, 2010

Block cipher apparatus using auxiliary transformation

MITSUBISHI ELECTRIC CORP3 citations62

US7864950B2Jan 4, 2011

Block encryption device using auxiliary conversion

MITSUBISHI ELECTRIC CORP0 citations51