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Inventor

Masahiko Higasa

Inventor
Fukushima, JP

Overview

3→
Patents
2004–2010
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.

H01Qprimary
H01QAntennas, i.e. radio aerials75%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
PatentTitleYear
7,679,566'Antenna structure having stable properties and headset'20106,897,813'Combined antenna with antenna combining circularly polarized wave antenna and vertical antenna'20056,707,426'Compact, vibration-resistant circularly polarized wave antenna'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2010Patents assigned to ALPS ELECTRIC CO LTD (3)· patent assignee history
2004–2010Based in Fukushima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALPS ELECTRIC CO LTD32004–2010
Locations
LocationPatentsSpan
Fukushima, JP32004–2010