Hirokawa; Masayuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hirokawa; Masayuki.The latest application filed is for "cryptographic communication system and cryptographic communication method".

Company Profile

1.15.9

Hirokawa; Masayuki - Kanagawa JP
Hirokawa; Masayuki - Kawasaki JP
Hirokawa; Masayuki - Kawasaki-shi JP
Hirokawa; Masayuki - Hyogo 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
Cryptographic communication system and cryptographic communication method Grant 10,469,256 - Shiota , et al. No	2019-11-05
Cryptographic Communication System And Cryptographic Communication Method App 20170155508 - Shiota; Shigemasa ; et al.	2017-06-01
Cryptographic communication system and cryptographic communication method Grant 9,608,818 - Shiota , et al. March 28, 2	2017-03-28
Cryptographic communication system and cryptographic communication method Grant 9,363,082 - Shiota , et al. June 7, 2	2016-06-07
Semiconductor device and method of writing data to semiconductor device Grant 9,300,470 - Oshida , et al. March 29, 2	2016-03-29
Semiconductor device Grant 9,245,153 - Oshida , et al. January 26, 2	2016-01-26
Semiconductor Device And Method Of Writing Data To Semiconductor Device App 20150207629 - OSHIDA; Daisuke ; et al.	2015-07-23
Cryptographic Communication System and Cryptographic Communication Method App 20150156021 - Shiota; Shigemasa ; et al.	2015-06-04
Semiconductor device and method of writing data to semiconductor device Grant 9,026,882 - Oshida , et al. May 5, 2	2015-05-05
Semiconductor Device App 20140289538 - OSHIDA; Daisuke ; et al.	2014-09-25
Semiconductor device Grant 8,782,432 - Oshida , et al. July 15, 2	2014-07-15
Data processing system, electronic vehicle and maintenance service system Grant 8,536,826 - Matsuoka , et al. September 17, 2	2013-09-17
Semiconductor Device And Method Of Writing Data To Semiconductor Device App 20120324310 - OSHIDA; Daisuke ; et al.	2012-12-20
Cryptographic Communication System And Cryptographic Communication Method App 20120321077 - SHIOTA; Shigemasa ; et al.	2012-12-20
Semiconductor Device App 20120324241 - OSHIDA; Daisuke ; et al.	2012-12-20
Vehicle, Maintenance Device, Maintenance Service System, And Maintenance Service Method App 20110083161 - Ishida; Takayuki ; et al.	2011-04-07
Data Processing System, Electronic Vehicle and Maintenance Service System App 20110066309 - Matsuoka; Kazunari ; et al.	2011-03-17
Data transfer control unit Grant 5,057,998 - Hirokawa October 15, 1	1991-10-15
Data transfer control units each of which comprises processors and dual-part memory Grant 4,999,768 - Hirokawa March 12, 1	1991-03-12
Computer system including address driven program interrupt system Grant 4,742,452 - Hirokawa May 3, 1	1988-05-03

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