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Inventor

Hirofumi Nishimoto

Inventor
Kanagawa, JP

Overview

3→
Patents
1995–2006
Patent span
Electricity
Primary field (CPC H)

Patents· 3 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 transducers60%
A61FFilters implantable into blood vessels20%
G10KSound-producing devices20%
PatentTitleYear
7,065,219'Acoustic apparatus and headphone'20065,987,147'Sound collector'19995,402,497'Headphone apparatus for reducing circumference noise'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2006Patents assigned to SONY CORP (3)· patent assignee history
1995–1999Based in Kanagawa, JP· patent location history
2006Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP31995–2006
Locations
LocationPatentsSpan
Kanagawa, JP21995–1999
Tokyo, JP12006