Inventor

Eiji Hankui

Inventor

Tokyo, JP

Overview

22→

Patents

1996–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 22 as inventor

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

H01Qprimary

H01QAntennas, i.e. radio aerials20%

H04BTransmission14%

G01RMeasuring electric variables9%

H04MTelephonic communication9%

H05KPrinted circuits7%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%

H01PWaveguides5%

LOC145%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%

PatentTitleYear

11,095,038Polarization control plate2021 D0927468Antenna2021 D0926736Antenna2021 10,930,989Structural body, laminated structure of structural body, and antenna structure2021 10,411,351Antenna and wireless communication device2019 9,225,049'Noise suppression structure'2015 8,760,117'Portable communication apparatus'2014 8,379,408'Electromagnetic shield structure, wireless device using the structure, and method of manufacturing electromagnetic shield'2013 8,200,297'Cellular phone'2012 7,994,753'Portable communication apparatus and a battery pack'2011 7,990,747'Semiconductor chip and semiconductor device'2011 7,504,837'Electrical characteristics measurement method and electrical characteristics measurement device'2009 7,164,898'Wireless portable device'2007 7,162,284'Mobile phone, analysis device included therein, and analysis method'2007 7,142,817'Portable telephone'2006 7,031,744'Compact cellular phone'2006 6,745,057'Portable telephone'2004 6,557,154'Printed circuit board design support system, printed circuit board design method and storage medium storing control program for same'2003 6,515,634'Structure for controlling the radiation pattern of a linear antenna'2003 5,789,929'Method and device for measuring the specific absorption rate of electric power in a simulated human body'1998 5,610,519'Device and method for measuring specific absorption rate of electromagnetic waves in models of human bodies'1997 5,514,971'Method and apparatus for testing an immunity to electromagnetic interference and apparatus for irradiating radio wave for immunity test'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2021Patents assigned to NEC CORP (22)· patent assignee history

1996–2021Based in Tokyo, JP· patent location history

2006Based in Minato-ku, JP· patent location history

2012–2015Patents assigned to HANKUI EIJI (4)· patent assignee history

2012Patents assigned to KOJIMA TAKUYA (1)· patent assignee history

2012Patents assigned to NAKAMURA SHINYA (1)· patent assignee history

2021Patents assigned to JAPAN AVIATION ELECTRONICS IND LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NEC CORP	22	1996–2021
HANKUI EIJIself	4	2012–2015
JAPAN AVIATION ELECTRONICS IND LTD	2	2021
KOJIMA TAKUYA	1	2012
NAKAMURA SHINYA	1	2012

Locations

Location	Patents	Span
Tokyo, JP	21	1996–2021
Minato-ku, JP	1	2006