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Inventor

Yukiya Iigai

Inventor
Saitama, JP

Overview

2→
Patents
2002–2003
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.

H03Fprimary
H03FAmplifiers33%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers33%
H04SStereophonic systems33%
PatentTitleYear
6,587,566'Sound field forming circuit and sound field forming apparatus'20036,424,210'Isolator circuit'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2003Patents assigned to PIONEER CORP (2)· patent assignee history
2002–2003Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIONEER CORP22002–2003
Locations
LocationPatentsSpan
Saitama, JP22002–2003