Inventor

Yasuko Fukuzawa

Inventor

Yokohama, JP

Overview

22→

Patents

1992–2013

Patent span

Physics

Primary field (CPC G)

Patents· 22 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing24%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes20%

H04LTransmission of digital information, e.g. telegraphic communication18%

G06KGraphical data reading14%

G07FCoin-freed or like apparatus10%

H04WWireless communication networks4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

G09CCiphering or deciphering apparatus for cryptographic or other purposes involving the need for secrecy2%

H04MTelephonic communication2%

Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids2%

PatentTitleYear

8,375,074'Device and program for ciphering data'2013 7,869,601'Authentication method of ad hoc network and wireless communication terminal thereof'2011 7,567,673'Common key sharing method and wireless communication terminal in ad hoc network'2009 7,333,972'Database integration management method and apparatus and processing program, medium therefor'2008 7,178,026'Identification code management method and management system'2007 7,138,915'Handling support method and handling support system'2006 7,086,087'Information processing device, card device and information processing system'2006 6,934,842'Identification code management method and management system'2005 6,922,686'Database integration management method and apparatus and processing program, medium therefor'2005 6,892,268'Heterogeneous computer system, heterogeneous input/output system and data back-up method for the systems'2005 6,873,706'Processing apparatus, program, or system of secret information'2005 6,871,255'Heterogeneous computer system, heterogeneous input/output system and data back-up method for the systems'2005 6,839,847'Information processing equipment and IC card'2005 6,721,841'Heterogeneous computer system, heterogeneous input/output system and data back-up method for the systems'2004 6,631,471'Information processing equipment'2003 6,615,354'Information processing equipment'2003 6,529,976'Heterogeneous computer system, heterogeneous input output system and data back-up method for the systems'2003 6,408,075'Information processing equipment and IC card'2002 6,098,129'Communications system/method from host having variable-length format to variable-length format first I/O subsystem or fixed-length format second I/O subsystem using table for subsystem determination'2000 5,351,294'Limited broadcast system'1994 5,218,638'Encipher method and decipher method'1993 5,117,458'Secret information service system and method'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2013Patents assigned to HITACHI LTD (21)· patent assignee history

1992–1994Based in Sagamihara, JP· patent location history

1993–1994Patents assigned to HITACHI CHUBU SOFTWARE KK (2)· patent assignee history

2000–2013Based in Yokohama, JP· patent location history

2005Based in Kawasaki, JP· patent location history

2006Patents assigned to HITACHI ULSI SYS CO LTD (1)· patent assignee history

2013Patents assigned to ANDO ERIKO (1)· patent assignee history

2013Patents assigned to FUKUZAWA YASUKO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	21	1992–2013
HITACHI CHUBU SOFTWARE KK	2	1993–1994
ANDO ERIKO	1	2013
FUKUZAWA YASUKOself	1	2013
HITACHI ULSI SYS CO LTD	1	2006

Locations

Location	Patents	Span
Yokohama, JP	18	2000–2013
Sagamihara, JP	3	1992–1994
Kawasaki, JP	1	2005