Inventor

Keiko Ishii

Inventor
Kanagawa, JP

Overview

4→
Patents
2001–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H04Wprimary
H04WWireless communication networks50%
H04LTransmission of digital information, e.g. telegraphic communication33%
H04MTelephonic communication17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history
2001Based in Kanagawa, JP· patent location history
2017Patents assigned to FUJITSU LTD (1)· patent assignee history
2017Based in Fuchu, JP· patent location history
2021Patents assigned to TOSHIBA DIGITAL SOLUTIONS CORP (1)· patent assignee history
2021Patents assigned to TOSHIBA KK (1)· patent assignee history
2021Based in Chofu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22001
FUJITSU LTD12017
TOSHIBA DIGITAL SOLUTIONS CORP12021
TOSHIBA KK12021
Locations
LocationPatentsSpan
Kanagawa, JP22001
Chofu, JP12021
Fuchu, JP12017