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Inventor

Nobuyuki Ishizaku

Inventor
Tokyo, JP

Overview

1→
Patents
2019
Patent span
Electricity
Primary field (CPC H)

Patents· 1 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 transducers100%
PatentTitleYear
10,277,974Headphone2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019Patents assigned to SONY CORP (1)· patent assignee history
2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP12019
Locations
LocationPatentsSpan
Tokyo, JP12019