Inventor
HIWATARI HARUNAGA
JP22 patents
⚠️ This page may combine multiple inventors who share the name “HIWATARI HARUNAGA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
8 patentsUS8959355B2Feb 17, 2015
Authentication device, authentication method, program, and signature generation device
SONY CORP4 citations73
US11153068B2Oct 19, 2021
Encryption device, encryption method, decryption device and decryption method
SONY CORP1 citations61
US11269993B2Mar 8, 2022
Encryption device, encryption method, decryption device, and decryption method
SONY CORP1 citations60
US9602285B2Mar 21, 2017
Authentication device, authentication method, and program
SONY CORP0 citations52
US9672007B2Jun 6, 2017
Device for performing arithmetic operations of multivariate polynomials, control method, and program
SONY CORP0 citations41
US9516007B2Dec 6, 2016
Verifier and prover have an authentication protocol with challenge-response with the challenge from prover having identification of the verifier
SONY CORP0 citations41
US9123194B2Sep 1, 2015
Print medium, card creation method, and program
SONY CORP0 citations41
US9979549B2May 22, 2018
Information processing to perform authentication between a prover and a verifier
SONY CORP0 citations38
SAKUMOTO KOICHI
7 patentsUS9129122B2Sep 8, 2015
Signature verification apparatus, signature verification method, program, and recording medium
SAKUMOTO KOICHI4 citations72
US8522033B2Aug 27, 2013
Authentication device, authentication method, program, and signature generation device
SAKUMOTO KOICHI5 citations72
US8826025B2Sep 2, 2014
Authentication device, authentication method, program, and signature generation device
SAKUMOTO KOICHI3 citations62
US8433912B2Apr 30, 2013
Authentication device, authentication method, program, and signature generation device
SAKUMOTO KOICHI2 citations62
US9076000B2Jul 7, 2015
Authentication device, authentication method, and program
SAKUMOTO KOICHI0 citations51
US8675867B2Mar 18, 2014
Key generation algorithm using secret polynomial over finite ring and transformation
SAKUMOTO KOICHI0 citations41
US10020945B2Jul 10, 2018
Information processing apparatus and to efficiently substitute coefficients of a multivariate polynomial
SAKUMOTO KOICHI0 citations38
SHIBUTANI KYOJI
4 patentsUS9270458B2Feb 23, 2016
Encryption processing device, encryption processing method, and program
SHIBUTANI KYOJI5 citations71
US9418245B2Aug 16, 2016
Encryption processing device, encryption processing method, and program
SHIBUTANI KYOJI2 citations60
US9083507B2Jul 14, 2015
Data processing device, data processing method, and program
SHIBUTANI KYOJI2 citations60
US8983062B2Mar 17, 2015
Encryption processing device, encryption processing method, and programme
SHIBUTANI KYOJI0 citations39
HIWATARI HARUNAGA
2 patentsUS9276735B2Mar 1, 2016
Information processing apparatus, signature generation apparatus, information processing method, signature generation method, and program
HIWATARI HARUNAGA0 citations36
US9031230B2May 12, 2015
Encryption processing device, encryption processing method, and program
HIWATARI HARUNAGA0 citations35