| Patent | Date |
|---|
Privacy-preserving analysis device, privacy-preserving analysis system, privacy-preserving analysis method, and computer readable medium
Grant 11,451,372 - Kawai , et al. September 20, 2 | 2022-09-20 |
Registration Device, Search Operation Device, And Data Management Device
App 20220286271 - HIRANO; Takato ; et al. | 2022-09-08 |
Searchable Encryption System, Searchable Encryption Method, And Non-transitory Computer-readable Recording Medium
App 20220277100 - HIRANO; Takato ; et al. | 2022-09-01 |
Conversion key generation device, ciphertext conversion device, privacy-preserving information processing system, conversion key generation method, ciphertext conversion method, and computer
Grant 11,374,742 - Yasuda , et al. June 28, 2 | 2022-06-28 |
Search device, tag generation device, query generation device, searchable encryption system and computer readable medium
Grant 11,360,978 - Kawai , et al. June 14, 2 | 2022-06-14 |
Re-encryption key generation device, re-encryption device, re-encrypted ciphertext decryption device, and cryptographic system
Grant 11,349,654 - Koseki , et al. May 31, 2 | 2022-05-31 |
Re-encryption Device, Re-encryption Method, Computer Readable Medium, And Cryptographic System
App 20220029795 - KAWAI; Yutaka ; et al. | 2022-01-27 |
Registration apparatus, search operation apparatus, data management apparatus
Grant 11,233,629 - Hirano , et al. January 25, 2 | 2022-01-25 |
Registration terminal, key server, search system, and computer readable medium
Grant 11,170,123 - Kawai , et al. November 9, 2 | 2021-11-09 |
Search device, search system, search method, and computer readable medium
Grant 11,106,740 - Shibata , et al. August 31, 2 | 2021-08-31 |
Encrypted Tag Generation Device, Search Query Generation Device, And Searchable Encryption System
App 20210173957 - KAWAI; Yutaka ; et al. | 2021-06-10 |
Re-encryption Key Generation Device, Re-encryption Device, Re-encrypted Ciphertext Decryption Device, And Cryptographic System
App 20210126782 - KOSEKI; Yoshihiro ; et al. | 2021-04-29 |
Data Processing Apparatus, Data Processing Method, And Computer Readable Medium
App 20210081562 - HIRANO; Takato ; et al. | 2021-03-18 |
Data Management Device, Data Management Method, And Computer Readable Medium
App 20210067317 - HAYASAKA; Kenichiro ; et al. | 2021-03-04 |
Registration destination determination device, searchable encryption system, destination determination method, and computer readable medium
Grant 10,936,757 - Ito , et al. March 2, 2 | 2021-03-02 |
Privacy-preserving Analysis Device, Privacy-preserving Analysis System, Privacy-preserving Analysis Method, And Computer Readable Medium
App 20210014040 - KAWAI; Yutaka ; et al. | 2021-01-14 |
Registration Device, Server Device, Searchable Encryption System, And Searchable Encryption Method
App 20200412536 - HIRANO; Takato ; et al. | 2020-12-31 |
Secret search system, secret search method, and computer readable medium
Grant 10,872,158 - Hayasaka , et al. December 22, 2 | 2020-12-22 |
Registration Apparatus, Search Operation Apparatus, Data Management Apparatus
App 20200351081 - HIRANO; Takato ; et al. | 2020-11-05 |
Conversion Key Generation Device, Ciphertext Conversion Device, Privacy-preserving Information Processing System, Conversion Key Generation Method, Ciphertext Conversion Method, And Computer
App 20200344049 - YASUDA; Satoshi ; et al. | 2020-10-29 |
Encrypted text conversion device, computer readable medium, and encryption text conversion method
Grant 10,778,431 - Kawai , et al. Sept | 2020-09-15 |
Registration Terminal, Key Server, Search System, And Computer Readable Medium
App 20200226279 - KAWAI; Yutaka ; et al. | 2020-07-16 |
Search Device, Search System, Search Method, And Computer Readable Medium
App 20200142933 - SHIBATA; Yoichi ; et al. | 2020-05-07 |
Search Device, Tag Generation Device, Query Generation Device, Searchable Encryption System And Computer Readable Medium
App 20200065305 - Kawai; Yutaka ; et al. | 2020-02-27 |
Encrypted Text Conversion Device, Computer Readable Medium, And Encryption Text Conversion Method
App 20190260585 - KAWAI; Yutaka ; et al. | 2019-08-22 |
Registration Destination Determination Device, Registration Device, Searchable Encryption System, Registration Destination Deter
App 20190163934 - ITO; Takashi ; et al. | 2019-05-30 |
Secret Search System, Secret Search Method, And Computer Readable Medium
App 20180365433 - HAYASAKA; Kenichiro ; et al. | 2018-12-20 |
Cryptographic System, Homomorphic Signature Method, And Computer Readable Medium
App 20180343109 - KOSEKI; Yoshihiro ; et al. | 2018-11-29 |
Authentication Device, Authentication System, And Authentication Method
App 20180211021 - NEGI; Tomonori ; et al. | 2018-07-26 |
Display device
App 20050146261 - Hayakawa, Emiko ; et al. | 2005-07-07 |
Phosphor and imaging device using the same
Grant 6,753,099 - Imamura , et al. June 22, 2 | 2004-06-22 |
Cathode ray tube
App 20030214222 - Matsukiyo, Hidetsugu ; et al. | 2003-11-20 |
Phosphor and imaging device using the same
App 20030094889 - Imamura, Shin ; et al. | 2003-05-22 |
Thermosensitive recording sheet
Grant 4,507,669 - Sakamoto , et al. March 26, 1 | 1985-03-26 |
Diazo type thermosensitive recording material
Grant 4,411,979 - Nagamoto , et al. October 25, 1 | 1983-10-25 |
| 