TAKAHASHI; Ririka

Patent Applications and Registrations

Patent applications and USPTO patent grants for TAKAHASHI; Ririka.The latest application filed is for "application-key management system, application-key management device, application-key management method, and computer program product".

Company Profile

3.12.16

TAKAHASHI; Ririka - Setagaya Tokyo JP
Takahashi; Ririka - Setagaya JP
Takahashi; Ririka - Setagaya-ku JP
TAKAHASHI; Ririka - Tokyo JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Application-key Management System, Application-key Management Device, Application-key Management Method, And Computer Program Product App 20210409202 - DOI; Kazuaki ; et al.	2021-12-30
Quantum Cryptographic Device, Quantum Cryptographic Communication Fee Calulation System, And Quantum Cryptographic Communication Fee Calculation Method App 20210328784 - DOI; Kazuaki ; et al.	2021-10-21
Key generation device, key generation method, and computer program product Grant 11,115,198 - Takahashi , et al. September 7, 2	2021-09-07
Key Generation Device, Key Generation Method, And Computer Program Product App 20200092089 - TAKAHASHI; Ririka ; et al.	2020-03-19
Communication device, communication system, and communication method Grant 10,439,807 - Tanizawa , et al. O	2019-10-08
Quantum key distribution device, quantum key distribution system, and quantum key distribution method Grant 10,348,492 - Tanizawa , et al. July 9, 2	2019-07-09
Communication device, quantum key distribution system, quantum key distribution method, and computer program product Grant 10,341,097 - Takahashi , et al.	2019-07-02
Communication device, communication system, and computer program product Grant 10,223,182 - Takahashi	2019-03-05
Key Sharing Device, Key Sharing System, Key Sharing Method, And Computer Program Product App 20180255039 - TAKAHASHI; Ririka ; et al.	2018-09-06
Communication device, communication method, computer program product, and communication system Grant 9,928,370 - Tanizawa , et al. March 27, 2	2018-03-27
Communication Device, Communication System, And Communication Method App 20180054306 - TANIZAWA; Yoshimichi ; et al.	2018-02-22
Quantum key distribution device, quantum key distribution system, and computer program product Grant 9,768,954 - Takahashi , et al. September 19, 2	2017-09-19
Communication Device, Quantum Key Distribution System, Quantum Key Distribution Method, And Computer Program Product App 20170264434 - TAKAHASHI; Ririka ; et al.	2017-09-14
Communication device, communication system, communication method, and computer program product Grant 9,509,589 - Tanizawa , et al. November 29, 2	2016-11-29
Communication apparatus, computer program product, and communication system Grant 9,455,827 - Tanizawa , et al. September 27, 2	2016-09-27
Communication device, communication system, and computer program product Grant 9,450,929 - Tanizawa , et al. September 20, 2	2016-09-20
Quantum Key Distribution Device, Quantum Key Distribution System, And Computer Program Product App 20160218868 - TAKAHASHI; Ririka ; et al.	2016-07-28
Communication Device, Communication System, And Computer Program Product App 20160197723 - TAKAHASHI; Ririka	2016-07-07
Device, method, and system for encrypted communication by using encryption key Grant 9,356,780 - Tanizawa , et al. May 31, 2	2016-05-31
Quantum key distribution device, quantum key distribution system, and quantum key distribution method Grant 9,350,542 - Takahashi , et al. May 24, 2	2016-05-24
Quantum Key Distribution Device, Quantum Key Distribution System, And Quantum Key Distribution Method App 20160142203 - TANIZAWA; Yoshimichi ; et al.	2016-05-19
Quantum Key Distribution Device, Quantum Key Distribution System, And Quantum Key Distribution Method App 20150215122 - TAKAHASHI; Ririka ; et al.	2015-07-30
Communication Apparatus, Computer Program Product, And Communication System App 20150036825 - TANIZAWA; Yoshimichi ; et al.	2015-02-05
Communication Device, Communication Method, And Communication System App 20140365774 - TANIZAWA; Yoshimichi ; et al.	2014-12-11
Communication Device, Communication Method, Computer Program Product, And Communication System App 20140365786 - Tanizawa; Yoshimichi ; et al.	2014-12-11
Communication Device, Communication System, Communication Method, And Computer Program Product App 20140289520 - Tanizawa; Yoshimichi ; et al.	2014-09-25
Communication Device, Communication System, And Computer Program Product App 20140143443 - TAKAHASHI; Ririka ; et al.	2014-05-22
Communication Device, Communication System, And Computer Program Product App 20140143867 - TANIZAWA; Yoshimichi ; et al.	2014-05-22

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