Inventor

Ken Umeno

Inventor

Tokyo, JP

Overview

24→

Patents

2001–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 24 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing29%

H04JMultiplex communication18%

H04LTransmission of digital information, e.g. telegraphic communication18%

H04BTransmission16%

G06NComputing arrangements based on specific computational models5%

G01VGeophysics3%

G06EOptical computing devices3%

G10LSpeech analysis techniques or speech synthesis3%

H03HImpedance networks, e.g. resonant circuits3%

H04SStereophonic systems3%

PatentTitleYear

11,016,206Abnormality detection apparatus, communication apparatus, abnormality detection method, and recording medium2021 8,285,773'Signal separating device, signal separating method, information recording medium, and program'2012 8,265,268'Converter, encryption/decryption system, multi-stage converter, converting method, multi-stage converting method, program, and information recording medium'2012 7,925,014'Random number generating, encrypting, and decrypting apparatus, method thereof, program thereof, and recording medium thereof'2011 7,697,590'Communicating apparatus and communicating method'2010 7,577,182'Transmitter apparatus, receiver apparatus, transmission method, reception method and program'2009 7,548,618'Converter, encryption/decryption system, multi-stage converter, converting method, multi-stage converting method, program, and information recording medium'2009 7,472,147'Random number string output apparatus, random number string output method, program, and information recording medium'2008 7,471,714'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'2008 7,466,780'Pseudo-random number sequence filter, filtering method and data recording medium'2008 7,421,463'Random sequence generating apparatus, encryption/decryption apparatus, random sequence generating method, encryption/decryption method and program'2008 7,411,997'Apparatus and method for filtering a spectrum spread communication'2008 7,317,763'Pulse generator, pulse generating method, communicating apparatus, and communicating method'2008 7,257,608'Apparatus and method for outputting sequence of vectors, data recording medium, and carrier wave signal'2007 7,237,110'Authentication system, authentication apparatus, authentication target apparatus, authentication method, method of being authenticated, program and information recording medium'2007 7,231,048'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'2007 7,099,366'Pseudo-random number sequence output unit, transmitter, receiver, communication system and filter unit'2006 6,832,233'Apparatus and method for computing multiple integral, and recording medium'2004 6,668,265'Apparatus and method for outputting sequence of vectors, data recording medium, and carrier wave signal'2003 6,661,831'OUTPUT APPARATUS, TRANSMITTER, RECEIVER, COMMUNICATIONS SYSTEM FOR OUTPUTTING, TRANSMITTING AND RECEIVING A PSEUDORANDOM NOISE SEQUENCE, AND METHODS FOR OUTPUTTING, TRANSMITTING RECEIVING PSEUDORANDOM NOISE SEQUENCES AND DATA RECORDING MEDIUM'2003 6,654,404'System, apparatus, and method for outputting pseudorandom noise sequences, and data recording medium'2003 6,477,481'Device and method for outputting stochastic processes, and data recording medium'2002 6,289,296'Statistical simulation method and corresponding simulation system responsive to a storing medium in which statistical simulation program is recorded'2001 6,263,146'Apparatus for optically generating chaotic random numbers'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2012Based in Tokyo, JP· patent location history

2002–2012Patents assigned to UMENO KEN (8)· patent assignee history

2002–2004Patents assigned to COMM RES LAB MINISTRY OF POSTS (4)· patent assignee history

2002–2008Based in Koganei, JP· patent location history

2006–2012Patents assigned to NAT INST INF & COMM TECH (12)· patent assignee history

2008–2010Patents assigned to JAPAN SCIENCE & TECH AGENCY (2)· patent assignee history

2008Based in Shibuya-ku, JP· patent location history

2012Patents assigned to AMARI SHUNICHI (1)· patent assignee history

2012Based in Wako, JP· patent location history

2021Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NAT INST INF & COMM TECH	12	2006–2012
UMENO KENself	8	2002–2012
COMM RES LAB MINISTRY OF POSTS	4	2002–2004
JAPAN SCIENCE & TECH AGENCY	2	2008–2010
AMARI SHUNICHI	1	2012

Locations

Location	Patents	Span
Tokyo, JP	16	2001–2012
Koganei, JP	5	2002–2008
Kyoto, JP	1	2021
Wako, JP	1	2012
Shibuya-ku, JP	1	2008