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Inventor

Yoji Matsuoka

Inventor
Zama, JP

Overview

7→
Patents
1987–2010
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G01Cprimary
G01CMeasuring distances, levels or bearings67%
G08GTraffic control systems11%
G09BEducational or demonstration appliances11%
H04HBroadcast communication11%
PatentTitleYear
7,788,028'Navigation system'20107,577,518'Navigation system'20097,512,483'Navigation system'20096,952,643'Road traffic information output apparatus'20055,311,173'Navigation system and method using map data'19944,679,147'Navigation system with capability of instructing running direction'19874,635,202'Navigation apparatus for automobile'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1994Patents assigned to HITACHI LTD (3)· patent assignee history
1987–1994Based in Mito, JP· patent location history
2005–2010Patents assigned to ZANAVY INFORMATICS KK (4)· patent assignee history
2005–2010Based in Zama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZANAVY INFORMATICS KK42005–2010
HITACHI LTD31987–1994
Locations
LocationPatentsSpan
Zama, JP42005–2010
Mito, JP31987–1994