Naoya Torii

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication system, communication method, and communication device
- Patent number 10,270,768
- Issue date Apr 23, 2019
- Fujitsu Limited
- Jun Yajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic circuit, latch circuit, and external action detecting ci...
- Patent number 9,793,895
- Issue date Oct 17, 2017
- Fujitsu Limited
- Dai Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multiple-word multiplication-accumulation circuit and montgomery mo...
- Patent number 8,078,661
- Issue date Dec 13, 2011
- Fujitsu Semiconductor Limited
- Kenji Mukaida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device and method for calculating conversion parameter of montgomer...
- Patent number 7,792,893
- Issue date Sep 7, 2010
- Fujitsu Limited
- Kouichi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Elliptic curve cryptosystem apparatus, elliptic curve cryptosystem...
- Patent number 7,639,808
- Issue date Dec 29, 2009
- Fujitsu Limited
- Tetsuya Izu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Tamper-proof elliptic encryption with private key
- Patent number 7,536,011
- Issue date May 19, 2009
- Fujitsu Limited
- Masahiko Takenaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Encryption/decryption system for calculating effective lower bits o...
- Patent number 7,403,965
- Issue date Jul 22, 2008
- Fujitsu Limited
- Kenji Mukaida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Encryption secured against DPA
- Patent number 7,386,130
- Issue date Jun 10, 2008
- Fujitsu Limited
- Koichi Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption circuit
- Patent number 7,158,638
- Issue date Jan 2, 2007
- Fujitsu Limited
- Souichi Okada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption operating apparatus and method having side-channel attac...
- Patent number 7,065,788
- Issue date Jun 20, 2006
- Fujitsu Limited
- Jun Yajima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Extended key preparing apparatus, extended key preparing method, re...
- Patent number 6,956,951
- Issue date Oct 18, 2005
- Fujitsu Limited
- Takeshi Shimoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data protection system, data preparation device, and data working d...
- Patent number 6,829,592
- Issue date Dec 7, 2004
- Fujitsu Limited
- Takayuki Hasebe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Remainder calculating method, modular-multiplication method, remain...
- Patent number 6,415,310
- Issue date Jul 2, 2002
- Fujitsu Limited
- Masahiko Takenaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Software license protection via cryptography
- Patent number 6,385,726
- Issue date May 7, 2002
- Fujitsu Limited
- Takayuki Hasebe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Prime number generation apparatus B-smoothness judgement apparatus...
- Patent number 6,330,332
- Issue date Dec 11, 2001
- Fujitsu Limited
- Koichi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Key recovery condition encryption and decryption apparatuses
- Patent number 6,272,225
- Issue date Aug 7, 2001
- NEC Corporation
- Hiroshi Miyauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key recovery system and key recovery method
- Patent number 6,266,421
- Issue date Jul 24, 2001
- Hitachi, Ltd.
- Seiichi Domyo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key recovery system
- Patent number 6,185,308
- Issue date Feb 6, 2001
- Fujitsu Limited
- Hiroyuki Ando
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Storage medium driving device, storage medium and data protecting m...
- Patent number 6,173,390
- Issue date Jan 9, 2001
- Fujitsu Limited
- Seigo Kotani
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Encrypted data recovery method using split storage key and system t...
- Patent number 6,118,874
- Issue date Sep 12, 2000
- Hitachi, Ltd.
- Eiji Okamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for management of software employing memory for processing u...
- Patent number 6,067,640
- Issue date May 23, 2000
- Fujitsu Limited
- Ryota Akiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data processing apparatus
- Patent number 5,953,416
- Issue date Sep 14, 1999
- Fujitsu Limited
- Takayuki Hasebe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Licensee notification system
- Patent number 5,935,243
- Issue date Aug 10, 1999
- Fujitsu Ltd.
- Takayuki Hasebe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File protection system, software utilization system using the file...
- Patent number 5,917,908
- Issue date Jun 29, 1999
- Fujitsu Limited
- Masahiko Takenaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Encoder and decoder
- Patent number 5,838,791
- Issue date Nov 17, 1998
- Fujitsu Limited
- Naoya Torii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and device for utilizing data content
- Patent number 5,832,083
- Issue date Nov 3, 1998
- Fujitsu Limited
- Noboru Iwayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for management of software employing memory for processing u...
- Patent number 5,822,771
- Issue date Oct 13, 1998
- Fujitsu Limited
- Ryota Akiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for refunding payment for software
- Patent number 5,761,308
- Issue date Jun 2, 1998
- Fujitsu Limited
- Naoya Torii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Software charging system and software data utilization permitting d...
- Patent number 5,761,651
- Issue date Jun 2, 1998
- Fujitsu Limited
- Takayuki Hasebe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Transformation pattern generating device and encryption function de...
- Patent number 5,623,548
- Issue date Apr 22, 1997
- Fujitsu Limited
- Ryota Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR CONTROLLING PROFILE DATA DELIVERY
- Publication number 20170366525
- Publication date Dec 21, 2017
- Fujitsu Limited
- Junji TAKAGI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND COMMUNICATION DEVICE
- Publication number 20170208065
- Publication date Jul 20, 2017
- Fujitsu Limited
- Jun Yajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC CIRCUIT, LATCH CIRCUIT, AND EXTERNAL ACTION DETECTING CI...
- Publication number 20170187381
- Publication date Jun 29, 2017
- Fujitsu Limited
- Dai YAMAMOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION COLLECTION APPARATUS AND METHOD
- Publication number 20160246994
- Publication date Aug 25, 2016
- Fujitsu Limited
- Takao OGURA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Tamper-proof elliptic encryption with private key
- Publication number 20070177721
- Publication date Aug 2, 2007
- FUJITSU LIMITED
- Kouichi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Device and method for calculating conversion parameter of montgomer...
- Publication number 20060235921
- Publication date Oct 19, 2006
- FUJITSU LIMITED
- Kouichi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Elliptic curve cryptosystem apparatus, elliptic curve cryptosystem...
- Publication number 20060093137
- Publication date May 4, 2006
- FUJITSU LIMITED
- Tetsuya Izu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Multiple-word multiplication-accumulation circuit and Montgomery mo...
- Publication number 20050165876
- Publication date Jul 28, 2005
- FUJITSU LIMITED
- Kenji Mukaida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Arithmetic device
- Publication number 20050165875
- Publication date Jul 28, 2005
- FUJITSU LIMITED
- Kenji Mukaida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Tamper-proof elliptic encryption with private key
- Publication number 20050152541
- Publication date Jul 14, 2005
- FUJITSU LIMITED
- Masahiko Takenaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Encryption operating apparatus and method having side-channel attac...
- Publication number 20030133567
- Publication date Jul 17, 2003
- FUJITSU LIMITED
- Jun Yajima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Encryption circuit
- Publication number 20030108195
- Publication date Jun 12, 2003
- FUJITSU LIMITED
- Souichi Okada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Encryption secured against DPA
- Publication number 20030048903
- Publication date Mar 13, 2003
- FUJITSU LIMITED
- Koichi Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Computing apparatus using an SPN structure in an F function and a c...
- Publication number 20020021801
- Publication date Feb 21, 2002
- Takeshi Shimoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Extended key preparing apparatus, extended key preparing method, re...
- Publication number 20020006196
- Publication date Jan 17, 2002
- Takeshi Shimoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Naoya Torii

Person

Patents Grantslast 30 patents

Communication system, communication method, and communication device

Electronic circuit, latch circuit, and external action detecting ci...

Multiple-word multiplication-accumulation circuit and montgomery mo...

Device and method for calculating conversion parameter of montgomer...

Elliptic curve cryptosystem apparatus, elliptic curve cryptosystem...

Tamper-proof elliptic encryption with private key

Encryption/decryption system for calculating effective lower bits o...

Encryption secured against DPA

Encryption circuit

Encryption operating apparatus and method having side-channel attac...

Extended key preparing apparatus, extended key preparing method, re...

Data protection system, data preparation device, and data working d...

Remainder calculating method, modular-multiplication method, remain...

Software license protection via cryptography

Prime number generation apparatus B-smoothness judgement apparatus...

Key recovery condition encryption and decryption apparatuses

Key recovery system and key recovery method

Key recovery system

Storage medium driving device, storage medium and data protecting m...

Encrypted data recovery method using split storage key and system t...

System for management of software employing memory for processing u...

Data processing apparatus

Licensee notification system

File protection system, software utilization system using the file...

Encoder and decoder

Method and device for utilizing data content

System for management of software employing memory for processing u...

System for refunding payment for software

Software charging system and software data utilization permitting d...

Transformation pattern generating device and encryption function de...

Patents Applicationslast 30 patents

APPARATUS AND METHOD FOR CONTROLLING PROFILE DATA DELIVERY

COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND COMMUNICATION DEVICE

ELECTRONIC CIRCUIT, LATCH CIRCUIT, AND EXTERNAL ACTION DETECTING CI...

INFORMATION COLLECTION APPARATUS AND METHOD

Tamper-proof elliptic encryption with private key

Device and method for calculating conversion parameter of montgomer...

Elliptic curve cryptosystem apparatus, elliptic curve cryptosystem...

Multiple-word multiplication-accumulation circuit and Montgomery mo...

Arithmetic device

Tamper-proof elliptic encryption with private key

Encryption operating apparatus and method having side-channel attac...

Encryption circuit

Encryption secured against DPA

Computing apparatus using an SPN structure in an F function and a c...

Extended key preparing apparatus, extended key preparing method, re...