Value Creation– Our Track Record
Yokowo started with precision metal pipe processing developed by its founder,
Chutaro Yokoo, at the time when he was a craftsman in the industry. From thesebeginnings, Yokowo introduced various new technologies centered on micro
precision processing, expanding the business to a wide range of fields.
With Tomioka Town within Kanra District, Gunma Prefecture (now TomiokaCity), where the founder was born and raised, as the center of development andproduction, Yokowo is developing and providing cutting-edge products for theglobal market while expanding its bases overseas.

1980'83●

1990

S tarted Personal Communication
Antenna business.
(withdrew in 2014)

Cellular Phone
Antenna

1920'22●1960

F ounded YOKOWO MFG. CO., LTD.
in Sumida, Tokyo.

'61●

Established Tomioka plant inKanohara, Tomioka.

●

Around 1930
Developed a Spring Bar for watches
that, at that time, captured thelargest share of the global market.

Changed company name toYOKOWO CO., LTD.

'90

●

'92

●

Developed a small-sized ceramic
patch GPS Antenna.

2010

Listed on the first section of theTokyo Stock Exchange.

'01

●

'02

●

Listed on the second section of theTokyo Stock Exchange.

'62● 	'67● 	Began OEM supply of Guide Wirefor medical treatment.

GPS Antenna'94

Established DONGGUAN YOKOWOELECTRONICS CO., LTD. in China.
(merged with DONGGUANYOKOWO CAR COMPONENTS CO.,LTD. in 2017)●Established YOKOWO KOREA CO.,LTD. in Korea.

●Guide Wire for Medical Treatment

Developed the industry’s firstsocket for high-frequency testing.

●Established YOKOWO AMERICACORPORATION in Chicago, U.S.A.

● 	●Started Fine Connector business.

Established DONGGUAN YOKOWOCAR COMPONENTS CO., LTD.
in China.

'95

●

'96

●

Developed the world’s first Micro
Antenna for automotive AM/FMradio.

'05

Incorporated.

'56●	Started Rod Antenna business.
(withdrew in 2003)

'16

●

'18

●

Established YOKOWO CORP. (H.K.)
LTD. in Hong Kong.
D eveloped a 2 Piece connector to
make a full entry into the rugged
handheld device market.

YPX Series

Established YOKOWO(HONG KONG) LTD.

● 	Established YOKOWO ELECTRONICS(M) SDN. BHD. in Malaysia.

●'78'79●AMT Center

Began OEM supply of various
satellite broadcast reception devices
in tandem with NHK’s launch ofsatellite broadcast services.	Established YOKOWO(SINGAPORE) PTE. LTD.

Components for
Medical Devices(Tip Terminal ofCatheter)'97●D eveloped a BGA Test Socket
to make a full entry into thesemiconductor inspection market.

'07

Started Circuit Testing Connectorbusiness.

● 	Started Sporting Goods business.
(withdrew in 1995)● 	Contact Probe'89

Established a joint corporation as
LTCC Materials Co., Ltd.

Established YOKOWO Advanced
Device Center. (reorganized into ajoint corporation in 2019)

2020
'20

Outdoor Unit for BSCompleted new head officein Tokyo.

● 	®

Registered the SmartWeld
trademark for its original technology
for bonding different metallicmaterials.

●

●

●

Pillar Antenna

AM/FM Motor Antenna

Established Advanced Measurement
Technology Center in Tomioka plant.

Started Medical Device business.

Ceramic Antenna●Started Vehicle Communication
Equipment business.

Acquired OHSAS 18001 certificate.
(Transferred to ISO 45001 in 2020)

2 Piece Connector

Started Microwave Ceramics
business.

●'19● 	Acquired ISO 27001 certificate.

●

Rod Antenna'59'14●

Commercialized the YPX probecard series for the testing of highfrequency devices using MEMS
technology.

Micro Antenna

'87

'06

'57

●

Spring Connector

1970'73

'13

●

●

●

'12

Hi-Giga Sockets

1950
'51

Acquired ISO 13485 certificate.

●Microwave Components'84

Established YOKOWO MFG. CO.,(TAIWAN) Ltd.
(now YOKOWO MICRO TECH CO., LTD.) '86

Spring Bar

Established YOKOWO VIETNAM
CO., LTD. in Vietnam.

●Established YOKOWO
MANUFACTURING OF AMERICA
LLC in Hilliard, Ohio, U.S.A.

●Tomioka Plant

'11

●

PersonalCommunication
AntennaS tarted Microwave Component
business. (transferred to the Vehicle
Communication Equipment businessin 2002)

2000

Established YOKOWO EUROPE
GmbH in Germany.

●

YOKOWO Advanced Device Center

BGA Test Socket

Established Lumax Yokowo
Technologies Private Limitedin India.

●

'99

Established DONGGUAN YOKOWOCOMMUNICATION COMPONENTS
CO., LTD. in China.

●●E stablished YOKOWO Europe Ltd.
in London, U.K.

'08

Took over probe card businessfrom Genesis Technology Inc.

●

Established YOKOWO MEMS
development center.

●E stablished YOKOWO
MANUFACTURING OF THE
PHILIPPINES, INC. in Philippines.

●

Golf Goods

05

Yokowo 2021 Integrated Report

Yokowo 2021 Integrated Report06