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Inventor

Kenji Ide

Inventor
Chiba, JP

Overview

3→
Patents
2000–2019
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 transducers67%
LOC1433%
PatentTitleYear
10,212,504Earphone device20199,451,350'Earphone device'2016D0432519'Loudspeaker with amplifier'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to NEC CORP (1)· patent assignee history
2000Based in Osaka, JP· patent location history
2016–2019Patents assigned to SONY CORP (2)· patent assignee history
2016Patents assigned to IDE KENJI (1)· patent assignee history
2016Patents assigned to KITO KAZUHISA (1)· patent assignee history
2016Patents assigned to TSUNODA NAOTAKA (1)· patent assignee history
2016–2019Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP22016–2019
IDE KENJIself12016
KITO KAZUHISA12016
NEC CORP12000
TSUNODA NAOTAKA12016
Locations
LocationPatentsSpan
Chiba, JP22016–2019
Osaka, JP12000