P

Inventor

UMENO KEN

JP26 patents
⚠️ This page may combine multiple inventors who share the name “UMENO KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NAT INST INF & COMM TECH

10 patents
US7099366B2Aug 29, 2006

Pseudo-random number sequence output unit, transmitter, receiver, communication system and filter unit

NAT INST INF & COMM TECH14 citations83
US7471714B2Dec 30, 2008

Random number sequence sharing system, random number sequence sharing apparatus, codec system, coding apparatus, decoding apparatus, random number sequence sharing method, coding method, decoding method, and program product

NAT INST INF & COMM TECH2 citations62
US7421463B2Sep 2, 2008

Random sequence generating apparatus, encryption/decryption apparatus, random sequence generating method, encryption/decryption method and program

NAT INST INF & COMM TECH3 citations62
US7317763B2Jan 8, 2008

Pulse generator, pulse generating method, communicating apparatus, and communicating method

NAT INST INF & COMM TECH2 citations62
US7257608B2Aug 14, 2007

Apparatus and method for outputting sequence of vectors, data recording medium, and carrier wave signal

NAT INST INF & COMM TECH3 citations62
US7231048B2Jun 12, 2007

Key sharing system, public key cryptosystem, signature system, key sharing apparatus, encryption apparatus, decryption apparatus, signature apparatus, authentication apparatus, key sharing method, encryption method, decryption method, signature method, authentication method, and programs

NAT INST INF & COMM TECH2 citations62
US7925014B2Apr 12, 2011

Random number generating, encrypting, and decrypting apparatus, method thereof, program thereof, and recording medium thereof

NAT INST INF & COMM TECH5 citations60
US7237110B2Jun 26, 2007

Authentication system, authentication apparatus, authentication target apparatus, authentication method, method of being authenticated, program and information recording medium

NAT INST INF & COMM TECH2 citations55
US7577182B2Aug 18, 2009

Transmitter apparatus, receiver apparatus, transmission method, reception method and program

NAT INST INF & COMM TECH1 citations51
US7548618B2Jun 16, 2009

Converter, encryption/decryption system, multi-stage converter, converting method, multi-stage converting method, program, and information recording medium

NAT INST INF & COMM TECH1 citations51

COMM RES LAB MINISTRY OF POSTS

4 patents

UNIV KYOTO

3 patents

JAPAN SCIENCE & TECH AGENCY

2 patents

UMENO KEN

2 patents

RIKAGAKU KENKYUSHO

1 patent

COMM RES LAB MINISTRY OF POSTS AND TELECOMMUNICATIONS

1 patent

JAPAN SCIENCE & TECH CORP

1 patent

COMM RES LAB MPT

1 patent

CICHOCKI ANDRZEJ

1 patent