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Inventor

Takeshi Tokusho

Inventor
Yamagata, JP

Overview

4→
Patents
2002–2004
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 transducers57%
Y10TTechnical subjects covered by former us classification43%
PatentTitleYear
6,817,084'Method for manufacturing a speaker apparatus'20046,665,414'Speaker system and cooling device therefor'20036,604,271'Process for processing a conductive damper for use in speaker'20036,343,136'Speaker apparatus and manufacturing method thereof'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2004Patents assigned to PIONEER ELECTRONIC CORP (2)· patent assignee history
2002Patents assigned to PIONEER ELECTRONIC TOHOKU (1)· patent assignee history
2002–2004Based in Yamagata, JP· patent location history
2003Patents assigned to PIONEER CORP (2)· patent assignee history
2003Patents assigned to PIONEER TOHOKU CORP (2)· patent assignee history
2003Based in Tendo, JP· patent location history
2004Patents assigned to TOKUKU PIONEER ELECTRONIC CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIONEER CORP22003
PIONEER ELECTRONIC CORP22002–2004
PIONEER TOHOKU CORP22003
PIONEER ELECTRONIC TOHOKU12002
TOKUKU PIONEER ELECTRONIC CORP12004
Locations
LocationPatentsSpan
Yamagata, JP32002–2004
Tendo, JP12003