Inventor

Kyoji Shibutani

Inventor
Kanagawa, JP

Overview

31→
Patents
2007–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 31 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication57%
G09CCiphering or deciphering apparatus for cryptographic or other purposes involving the need for secrecy29%
G06FElectric digital data processing10%
G01RMeasuring electric variables2%
H03MCoding2%
PatentTitleYear
10,425,226Encryption processing device and encryption processing method201910,341,090Cipher processing apparatus and cipher processing method201910,205,589Encryption processing device and encryption processing method20199,418,245'Encryption processing device, encryption processing method, and program'20169,363,074'Encryption processing apparatus, encryption processing method, and computer program'20169,270,458'Encryption processing device, encryption processing method, and program'20169,083,506'Cryptographic processing apparatus and cryptographic processing method, and computer program'20159,083,507'Data processing device, data processing method, and program'20158,983,062'Encryption processing device, encryption processing method, and programme'20158,843,457'Data conversion device, data conversion method, and program'20148,824,671'Data converter, data conversion method, and computer program'20148,787,563'Data converter, data conversion method and program'20148,787,568'Data transformation apparatus, data transformation method, and computer program'20148,737,603'Cryptographic processing apparatus, cryptographic processing method, and computer program'20148,731,188'Cryptographic processing apparatus and cryptographic processing method, and computer program'20148,670,558'Cryptographic processing apparatus, cryptographic processing method, and computer program'20148,666,069'Cryptographic processing apparatus and cryptographic processing method, and computer program'20148,577,023'Encryption processing method, apparatus, and computer program utilizing different types of S-boxes'20138,396,210'Cryptographic processing apparatus and cryptographic processing method, and computer program'20138,380,683'Data conversion device, data conversion method, and program'20138,379,843'Data converter, data conversion method, and computer program'20138,369,522'Encryption processing apparatus, encryption method, and computer program'20138,306,217'Cryptographic processing apparatus and cryptographic processing method, and computer program'20128,295,478'Cryptographic processing apparatus, algorithm constructing method, processing method, and computer program applying an extended feistel structure'20128,290,148'Encryption processing apparatus, encryption processing method, and computer program'20128,205,075'Authentication device and method'20128,165,288'Cryptographic processing apparatus and cryptographic processing method, and computer program'20128,073,140'Encryption/decryption device, encryption/decryption method, and computer program'20118,031,866'Cryptographic processing apparatus and cryptographic processing method, and computer program'20117,433,470'Cryptographic processing apparatus, cryptographic processing method, and computer program'20087,269,529'Data processing apparatus, program, and method for testing a secured circuit and maintaining confidentiality of the circuit'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2019Based in Kanagawa, JP· patent location history
2008–2019Patents assigned to SONY CORP (27)· patent assignee history
2011–2016Patents assigned to SHIBUTANI KYOJI (20)· patent assignee history
2011–2016Patents assigned to SHIRAI TAIZO (18)· patent assignee history
2012–2016Patents assigned to AKISHITA TORU (15)· patent assignee history
2012–2014Patents assigned to MORIAI SHIHO (12)· patent assignee history
2013–2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP272008–2019
SHIBUTANI KYOJIself202011–2016
SHIRAI TAIZO182011–2016
AKISHITA TORU152012–2016
MORIAI SHIHO122012–2014
Locations
LocationPatentsSpan
Kanagawa, JP222007–2019
Tokyo, JP92013–2019