LexDanaLexDanabeta
Inventor

Kiyoshi Egawa

Inventor
Tokyo, JP

Overview

11→
Patents
2001–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 11 as inventor

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

H01Qprimary
H01QAntennas, i.e. radio aerials50%
H04BTransmission22%
G06KGraphical data reading11%
G01SRadio direction-finding6%
H04LTransmission of digital information, e.g. telegraphic communication6%
H04MTelephonic communication6%
PatentTitleYear
11,108,449Radio communication apparatus, radio communication system and radio communication method202110,205,587Wireless communication system20197,843,394'Radio antenna unit and mobile radio device equipped with the same'20107,821,463'Mobile telephone with broadcast receiving element'20107,453,405'Portable wireless device'20087,436,364'Mobile radio apparatus'20087,002,521'Antenna device for radio apparatus'20066,987,485'Built-in antenna for radio communication terminal'20066,924,769'Antenna for communication terminal apparatus'20056,271,796'Built-in antenna for radio communication terminals'20016,246,372'Extendable whip antenna'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (6)· patent assignee history
2001–2006Based in Yokosuka, JP· patent location history
2001Based in Oiso, JP· patent location history
2005–2008Based in Minato-ku, JP· patent location history
2008–2010Patents assigned to PANASONIC CORP (3)· patent assignee history
2008–2021Based in Tokyo, JP· patent location history
2010Based in Kanagawa, JP· patent location history
2019–2021Patents assigned to KYOWA ELECTRONIC INSTRUMENTS (2)· patent assignee history
2021Patents assigned to SCHOOL JUDICIAL PERSON IKUTOKUGAKUEN (1)· patent assignee history
2021Patents assigned to UNIV KEIO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD62001–2008
PANASONIC CORP32008–2010
KYOWA ELECTRONIC INSTRUMENTS22019–2021
SCHOOL JUDICIAL PERSON IKUTOKUGAKUEN12021
UNIV KEIO12021
Locations
LocationPatentsSpan
Tokyo, JP42008–2021
Minato-ku, JP32005–2008
Yokosuka, JP22001–2006
Kanagawa, JP12010
Oiso, JP12001