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Inventor

Masahiko Nagata

Inventor
Kawasaki, JP

Overview

13→
Patents
1998–2019
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

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

G06Fprimary
G06FElectric digital data processing50%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes10%
H04HBroadcast communication10%
H04NPictorial communication, e.g. television10%
PatentTitleYear
10,417,214Non-transitory computer-readable storage medium, database control method and database control device201910,311,157Method for update processing, and apparatus201910,223,405Retrieval control method and retrieval server20199,619,516'Computer-readable recording medium, data extraction method, and data extraction device'20178,195,686'Search method and search program'20127,962,524'Computer program, device, and method for sorting dataset records into groups according to frequent tree'20117,929,845'Playback apparatus and playback method'20117,457,799'Apparatus and method for searching data of structured document'20087,103,596'Data sort method, data sort apparatus, and data sort program'20067,089,227'Pattern retrieving method, pattern retrieval apparatus, computer-readable storage medium storing pattern retrieval program, pattern retrieval system, and pattern retrieval program'20067,080,069'Full text search system'20066,064,439'FM teletext broadcast receiver'20005,815,170'Memory control method of character multiplexed broadcast receiver'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2000Patents assigned to NEC CORP (2)· patent assignee history
1998–2011Based in Kanagawa, JP· patent location history
2006–2019Patents assigned to FUJITSU LTD (10)· patent assignee history
2006Based in Fukuoka, JP· patent location history
2008–2019Based in Kawasaki, JP· patent location history
2011Patents assigned to RENESAS ELECTRONICS CORP (1)· patent assignee history
2012Patents assigned to ASAI TATSUYA (1)· patent assignee history
2012Patents assigned to NAGATA MASAHIKO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD102006–2019
NEC CORP21998–2000
ASAI TATSUYA12012
NAGATA MASAHIKOself12012
RENESAS ELECTRONICS CORP12011
Locations
LocationPatentsSpan
Kawasaki, JP72008–2019
Kanagawa, JP31998–2011
Fukuoka, JP32006