Inventor
Masahiko Takenaka
Inventor
Kawasaki, JP
Overview
Patents· 92 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 communication38%
G06FElectric digital data processing24%
B62KCycles5%
H04NPictorial communication, e.g. television5%
H04WWireless communication networks4%
B62JCycle saddles or seats2%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes2%
A61KPreparations for medical, dental or toiletry purposes1%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations1%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles1%
PatentTitleYear
10,872,147Software attack detection device, non-transitory computer-readable storage medium, and software attack detection method202010,425,227Computer-readable recording medium, shared key generation method, and information processing terminal201910,419,430Mutual authentication method and authentication apparatus201910,348,743Identification method and information processing device201910,339,314Device, method and storage medium for terminating operation of software that is not successfully verified201910,291,630Monitoring apparatus and method201910,284,572Management method, management device, and management program201910,009,271Routing method and network transmission apparatus20189,942,123Device and method for monitoring communication in network including a plurality of nodes20189,913,825'Method of ameliorating uremia'20189,860,060'Information processing method, computer-readable recording medium, and information processing apparatus'20189,813,451'Apparatus and method for detecting cyber attacks from communication sources'20179,783,518'Therapeutic agent and treatment method for ameliorating uremia'20179,772,819'Apparatus and method for generating physical random numbers'20179,749,135'Encrypting device, encrypting method, and recording medium'20179,729,324'Semiconductor integrated circuit, authentication system, and authentication method'20179,712,499'Method and apparatus for cryptographic processing'20179,614,665'Encryption processing method, encryption processing device, and computer-readable recording medium storing program for encryption processing'20179,510,216'Node device and communication control method'20169,407,649'Log analysis device and method'20169,401,805'Encrypting device, encrypting method, and recording medium'20169,384,682'Electronic circuit, electronic apparatus, and authentication system'20169,386,017'Authentication device, system and method'20169,330,270'Encryption processing device and authentication method'20169,319,923'Node, communication method, and communication system'20169,313,130'Routing method and network transmission apparatus'20169,203,800'Communication method, node, and network system'20159,166,800'Authentication method, authentication system, and authentication chip using common key cryptography'20159,130,745'Encryption processing device and method'20159,071,420'Information processing apparatus, tampering detection apparatus, information processing method, tampering detection method, and computer product'20159,032,203'Key setting method, node, server, and network system'20159,021,001'Individual-specific information generation apparatus and individual-specific information generation method'20159,015,218'Random number generator, encryption device, and authentication device'20158,891,759'Cryptographic processing device and cryptographic processing method'20148,732,454'Key setting method, node, and network system'20148,719,578'Document verifying apparatus, document verifying method, and computer product'20148,719,563'Key setting method, node, and network system'20148,707,057'Data processing apparatus and data processing method'20148,668,037'Saddle-ride-type electrically operated vehicle'20148,667,302'Signature generating device and method, signature verifying device and method, and computer product'20148,656,173'Electronic image data verification program, electronic image data verification system, and electronic image data verification method'20148,638,927'Cryptographic processing method, computer readable storage medium, and cryptographic processing device'20148,601,563'Wireless tag, reader/writer, encoding system, and encoding method'20138,566,597'Digital signature program, digital signature apparatus, and digital signature method'20138,533,483'Data processing apparatus and digital signature method'20138,452,973'Digital signature method, program, and apparatus'20138,433,913'Apparatus, method, and program for digital signature'20138,433,910'Electronic signature method, apparatus, and recording medium having electronic signature program recorded thereon'20138,418,795'Saddle-ride electric vehicle'20138,391,477'Cryptographic device having tamper resistance to power analysis attack'20138,376,075'Saddle-ride electric vehicle'20138,369,516'Encryption apparatus having common key encryption function and embedded apparatus'20138,352,529'Modular multiplication calculation apparatus used for montgomery method'20138,335,922'Recording medium, digital information verification apparatus, and digital information verification method'20128,327,156'Embedded device having countermeasure function against fault attack'20128,312,266'Methods and apparatus for verifying electronic mail'20128,223,968'Image data verification program recorded on a recording medium, image data verification method, and image data verification system'20128,218,762'Encrypting apparatus for common key cipher'20128,205,077'Management apparatus'20128,091,015'Digital document management system, digital document management method, and digital document management program'20128,078,661'Multiple-word multiplication-accumulation circuit and montgomery modular multiplication-accumulation circuit'20118,037,312'Method and apparatus for digital signature authentication, and computer product'20118,035,488'Information access system and active-type contactless information storage device'20118,032,921'Computer-readable recording medium storing access rights management program, access rights management apparatus, and access rights management method'20118,003,903'Side stand switch'20117,971,673'Saddle-ride type electric vehicle'20117,966,644'Method, apparatus, and computer program for managing access to documents'20117,900,050'Digital document management system, digital document management method, and digital document management program'20117,792,893'Device and method for calculating conversion parameter of montgomery modular multiplication and program therefor'20107,752,668'Network virus activity detecting system, method, and program, and storage medium storing said program'20107,639,808'Elliptic curve cryptosystem apparatus, elliptic curve cryptosystem method, elliptic curve cryptosystem program and computer readable recording medium storing the elliptic curve cryptosystem program'20097,536,011'Tamper-proof elliptic encryption with private key'20097,497,296'All-wheel-drive motorcycle'20097,403,965'Encryption/decryption system for calculating effective lower bits of a parameter for Montgomery modular multiplication'20087,386,130'Encryption secured against DPA'20087,360,620'Engine mounting structure of low floor type vehicle'20087,065,788'Encryption operating apparatus and method having side-channel attack resistance'20067,044,253'Exhaust pipe structure of vehicle with low floor'20066,956,951'Extended key preparing apparatus, extended key preparing method, recording medium and computer program'20056,829,592'Data protection system, data preparation device, and data working device'20046,415,310'Remainder calculating method, modular-multiplication method, remainder calculating apparatus, modular-multiplication apparatus and recording medium'20026,385,726'Software license protection via cryptography'20026,330,332'Prime number generation apparatus B-smoothness judgement apparatus and computer memory product'20015,953,416'Data processing apparatus'19995,917,908'File protection system, software utilization system using the file protection system and storage medium used in the software utilization system'19995,838,791'Encoder and decoder'19985,832,083'Method and device for utilizing data content'19985,761,651'Software charging system and software data utilization permitting device'19985,621,794'Moving-picture encipherment method and system, and enciphered moving-picture decipherment method and system'19975,499,299'Modular arithmetic operation system'19964,531,255'Window washer for a light vehicle'19854,522,442'Trunk storage system for small vehicles'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2014Patents assigned to HONDA MOTOR CO LTD (10)· patent assignee history
1985–2013Based in Saitama, JP· patent location history
1996–2020Patents assigned to FUJITSU LTD (79)· patent assignee history
1996–2020Based in Kawasaki, JP· patent location history
2006–2014Based in Wako, JP· patent location history
2011–2017Patents assigned to TAKENAKA MASAHIKO (26)· patent assignee history
2012–2014Patents assigned to IZU TETSUYA (8)· patent assignee history
2012–2014Patents assigned to YOSHIOKA TAKASHI (8)· patent assignee history
2017–2018Based in Fukuyama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 79 | 1996–2020 |
| TAKENAKA MASAHIKOself | 26 | 2011–2017 |
| HONDA MOTOR CO LTD | 10 | 1985–2014 |
| IZU TETSUYA | 8 | 2012–2014 |
| YOSHIOKA TAKASHI | 8 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 80 | 1996–2020 |
| Saitama, JP | 7 | 1985–2013 |
| Wako, JP | 3 | 2006–2014 |
| Fukuyama, JP | 2 | 2017–2018 |