ohkuma kenji

Patent Applications and Registrations

Patent applications and USPTO patent grants for ohkuma kenji.The latest application filed is for "exponentiation calculation apparatus and method for calculating square root in finite extension field".

Company Profile

2.18.17

- Kanagawa JP
Ohkuma; Kenji - Kanagawa JP
Ohkuma; Kenji - Yokohama JP
Ohkuma; Kenji - Yokohama-shi JP
Ohkuma, Kenji - Minato-ku 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
Arithmetic device, method, and program product Grant 08924448 -	2014-12-30
Arithmetic device, method, and program product Grant 8,924,448 - Isogai , et al. December 30, 2	2014-12-30
Arithmetic device Grant 8,782,114 - Yonemura , et al. July 15, 2	2014-07-15
Apparatus for performing data compression processing using algebraic torus Grant 8,675,874 - Muratani , et al. March 18, 2	2014-03-18
Exponentiation calculation apparatus and method for calculating square root in finite extension field Grant 8,543,630 - Yonemura , et al. September 24, 2	2013-09-24
Representation converting apparatus, arithmetic apparatus, representation converting method, and computer program product Grant 8,533,243 - Yonemura , et al. September 10, 2	2013-09-10
Exponentiation Calculation Apparatus And Method For Calculating Square Root In Finite Extension Field App 20130218939 - YONEMURA; Tomoko ; et al.	2013-08-22
Exponentiation calculation apparatus and method for calculating square root in finite extension field Grant 8,438,205 - Yonemura , et al. May 7, 2	2013-05-07
Arithmetic Device, Method, And Program Product App 20120239721 - ISOGAI; Taichi ; et al.	2012-09-20
Apparatus and computer program product for performing data compression processing using algebraic torus Grant 8,233,616 - Muratani , et al. July 31, 2	2012-07-31
Arithmetic Device App 20120124114 - YONEMURA; Tomoko ; et al.	2012-05-17
Computing Device, Method, And Computer Program Product App 20100063986 - YONEMURA; Tomoko ; et al.	2010-03-11
Representation Converting Apparatus, Arithmetic Apparatus, Representation Converting Method, And Computer Program Product App 20100049777 - Yonemura; Tomoko ; et al.	2010-02-25
Apparatus And Computer Program Product For Performing Data Compression Processing Using Algebraic Torus App 20100046742 - MURATANI; Hirofumi ; et al.	2010-02-25
Apparatus, Method, And Computer Program Product For Decrypting, And Apparatus, Method, And Computer Program Product For Encrypting App 20100046741 - ISOGAI; Taichi ; et al.	2010-02-25
Encrypting Apparatus, Decrypting Apparatus, Cryptocommunication System, And Methods And Computer Program Products Therefor App 20100046745 - Hanatani; Yoshikazu ; et al.	2010-02-25
Parameter Generating Device And Cryptographic Processing System App 20100046746 - YONEMURA; Tomoko ; et al.	2010-02-25
Apparatus For Performing Data Compression Processing Using Algebraic Torus App 20100046743 - Muratani; Hirofumi ; et al.	2010-02-25
Secret key distribution method and secret key distribution system Grant 7,492,903 - Ichimura , et al. February 17, 2	2009-02-17
Microscope using quantum-mechanically entangled photons Grant 7,321,429 - Ichimura , et al. January 22, 2	2008-01-22
Encryption apparatus and method, and decryption apparatus and method based on block encryption Grant 7,305,085 - Ohkuma , et al. December 4, 2	2007-12-04
Encryption apparatus and method, and decryption apparatus and method based on block encryption Grant 7,227,948 - Ohkuma , et al. June 5, 2	2007-06-05
Encryption apparatus and method, and decryption apparatus and method based on block encryption Grant 7,209,556 - Ohkuma , et al. April 24, 2	2007-04-24
Encryption apparatus, decryption apparatus, expanded key generating apparatus and method therefor, and recording medium Grant 7,194,090 - Muratani , et al. March 20, 2	2007-03-20
Encryption Apparatus And Method, And Decryption Apparatus And Method Based On Block Encryption App 20070058805 - Ohkuma; Kenji ; et al.	2007-03-15
Quantum cash system and quantum cash apparatus App 20060129486 - Ohkuma; Kenji ; et al.	2006-06-15
Microscope using quantum-mechanically entangled photons App 20050213107 - Ichimura, Kouichi ; et al.	2005-09-29
Secret key distribution method and secret key distribution system App 20050111665 - Ichimura, Kouichi ; et al.	2005-05-26
Encryption apparatus, decryption appatatus, expanded key generating apparatus and method therefor, and recording medium App 20020021802 - Muratani, Hirofumi ; et al.	2002-02-21
Encryption apparatus and method, and decryption apparatus and method based on block encryption App 20020016773 - Ohkuma, Kenji ; et al.	2002-02-07
Encryption apparatus and method, and decryption apparatus and method based on block encryption App 20010024502 - Ohkuma, Kenji ; et al.	2001-09-27

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