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Inventor

Naoki Sotoma

Inventor
Tokyo, JP

Overview

6→
Patents
2008–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H01Qprimary
H01QAntennas, i.e. radio aerials56%
H01PWaveguides22%
H03HImpedance networks, e.g. resonant circuits11%
H04WWireless communication networks11%
PatentTitleYear
10,903,575Antenna module202110,854,950Antenna device202010,826,174Antenna module202010,432,161Band-pass filter20198,013,794'Surface mount antenna and antenna module'20117,466,270'Planar antenna'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008Patents assigned to YOKOWO SEISAKUSHO KK (1)· patent assignee history
2008Based in Gunma, JP· patent location history
2011–2021Patents assigned to TDK CORP (5)· patent assignee history
2011–2021Based in Tokyo, JP· patent location history
2020Patents assigned to TDK COPORATION (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK CORP52011–2021
TDK COPORATION12020
YOKOWO SEISAKUSHO KK12008
Locations
LocationPatentsSpan
Tokyo, JP52011–2021
Gunma, JP12008