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Inventor

Hideshi Ishiyama

Inventor
Kawagoe, JP

Overview

2→
Patents
2003–2007
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H01Hprimary
H01HElectric switches25%
H02HEmergency protective circuit arrangements25%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
H04SStereophonic systems25%
PatentTitleYear
7,200,239'Acoustic apparatus having balance adjustment'20076,657,317'Electronic device with erroneous operation button state judging'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2007Patents assigned to PIONEER CORP (2)· patent assignee history
2003–2007Based in Kawagoe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIONEER CORP22003–2007
Locations
LocationPatentsSpan
Kawagoe, JP22003–2007