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Inventor

Yoshifumi Tsukamoto

Inventor
Sapporo, JP

Overview

7→
Patents
1998–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H04Mprimary
H04MTelephonic communication43%
H04BTransmission29%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for21%
H01BCables7%
PatentTitleYear
11,049,630Multicore cable20218,467,172'Mobile terminal device'20137,206,407'Adapter for portable telephone usable as mobile telephone in vehicle'20076,859,532'Adapter for portable telephone usable as mobile telephone in vehicle'20056,266,544'Adapter for portable telephone usable as mobile telephone in vehicle'20015,819,163'Portable remote terminal having improved structure'19985,722,055'Portable radiotelephone terminal adaptable to multiple models'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2013Patents assigned to FUJITSU LTD (6)· patent assignee history
1998–2007Based in Sapporo, JP· patent location history
2013Patents assigned to ISHIOKA TOSHIKAZU (1)· patent assignee history
2013Patents assigned to KAJIWARA YOSHIFUMI (1)· patent assignee history
2013Patents assigned to KUBO HIROSHI (1)· patent assignee history
2013Based in Kawasaki, JP· patent location history
2021Patents assigned to HITACHI METALS LTD (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD61998–2013
HITACHI METALS LTD12021
ISHIOKA TOSHIKAZU12013
KAJIWARA YOSHIFUMI12013
KUBO HIROSHI12013
Locations
LocationPatentsSpan
Sapporo, JP51998–2007
Tokyo, JP12021
Kawasaki, JP12013