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Inventor

Keiji Machida

Inventor
Yokohama, JP

Overview

3→
Patents
2008–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Wprimary
H04WWireless communication networks100%
PatentTitleYear
9,480,041'Location information registration method and mobile communication terminal'20168,055,260'Mobile communication system, local subscriber information management device, and communication information management method'20117,336,955'Interconnection agreement determining system, apparatus, and method'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2016Patents assigned to NTT DOCOMO INC (3)· patent assignee history
2008–2011Based in Yokohama, JP· patent location history
2016Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NTT DOCOMO INC32008–2016
Locations
LocationPatentsSpan
Yokohama, JP22008–2011
Tokyo, JP12016