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Inventor

Katsuhiko Tsumori

Inventor
Kobe, JP

Overview

4→
Patents
2004–2006
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.

H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers100%
PatentTitleYear
7,130,441'Speaker system having processing circuitry'20067,082,208'Speaker assembly having plural drivers'20066,751,330'Speaker system'20046,724,909'Speaker apparatus'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2006Patents assigned to TIMEDOMAIN CORP (4)· patent assignee history
2004Patents assigned to FUJITSU TEN LTD (2)· patent assignee history
2004–2006Based in Kobe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TIMEDOMAIN CORP42004–2006
FUJITSU TEN LTD22004
Locations
LocationPatentsSpan
Kobe, JP42004–2006