Value Creation – Our Track Record'94

Established DONGGUANYOKOWO ELECTRONICS
CO., LTD. in China.
(merged with DONGGUAN YOKOWO CARCOMPONENTS CO., LTD.
in 2017)

Yokowo started with precision metal pipe processing developed by its founder, Chutaro Yokoo, at the time when he was acraftsman in the industry. From these beginnings, 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 Tomioka City), where the founder was born andraised, as the center of development and production, Yokowo is developing and providing cutting-edge products for theglobal market while expanding its bases overseas.

1920'22●1960

F ounded YOKOWO MFG. '61
CO., LTD. in Sumida, Tokyo.

1980

Established Tomioka plant '83
in Kanohara, Tomioka.

●

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

●

●

●'56

●

'67

'87

S tarted PersonalCommunication Antennabusiness.
(withdrew in 2014)

Established YOKOWOELECTRONICS (M) SDN.
BHD. in Malaysia.

●'95

●

'96

●

●

Listed on the second
section of the Tokyo
Stock Exchange.

Started Rod Antennabusiness. (withdrew in 2003)

Began OEM supply ofvarious satellite broadcast
reception devices in tandem with NHK’s launch ofsatellite broadcast services.

● 	

Cellular Phone Antenna

Developed the industry’s
first socket for highfrequency testing.

Started Microwave
Ceramics business.

●

'89

'05

Established YOKOWO(HONG KONG) LTD.

● 	●

Completed new head
office in Tokyo.

'78●	Established YOKOWO(SINGAPORE) PTE. LTD.
Started Circuit Testing
Connector business.

● 	'84'86

Established YOKOWOAMERICA CORPORATION
in Chicago, U.S.A.

'97

S tarted Fine Connectorbusiness.

AM/FM MotorAntenna

'90

●

'92

●

●D eveloped a BGA Test
Socket to make a fullentry into the semiconductor inspection market.

Changed company
name to YOKOWOCO., LTD.

BGA Test Socket

'99

'06

'07

Established
DONGGUAN YOKOWOCOMMUNICATIONCOMPONENTS CO., LTD.
in China.

●

SPRING CONNECTOR™
●GPS Antenna

09

Yokowo 2022 Integrated Report●Started Medical Device
business.

'14

●

'16

●

'18

'21

Acquired ISO 27001 certificate.

Acquired OHSAS 18001
certificate.(Transferred toISO 45001 in 2020)

Established Advanced
Measurement Technology
Center in Tomioka plant.

●

Established YOKOWO
Advanced Device Center.
(reorganized into a jointcorporation in 2019)●●H
 eadquarters

relocated to JR Kanda
Manseibashi Building

Commercialized the YPXprobe card series for thetesting of high frequency
devices using MEMS
technology.

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

YOKOWO
AdvancedDeviceCenter'08

Took over probe cardbusiness from Genesis
Technology Inc.

●

Established YOKOWOMEMS development center.

●Golf Goods'13

Acquired ISO 13485
certificate.

'22

Transitioned tothe prime marketof Tokyo Stock
Exchange, in
accordance withthe restructuring ofmarket segments●

Established
YOKOWO FUTUREORIENTEDSUPPORT CO., LTD.

●Installed aphotovoltaic power
generation system atVietnam Plant●

AMT Center●

Contact Probe●D eveloped a 2 Piece
connector to make a fullentry into the rugged
handheld device market.

Components
for MedicalDevices(Tip Terminalof Catheter)

Developed asmall-sized ceramic
patch GPS Antenna.

'122 Piece
Connector1990● 	●E stablished YOKOWO
MANUFACTURING OF
THE PHILIPPINES, INC. in
Philippines.

●Guide Wire for Medical Treatment

Established YOKOWO CORP.
(H.K.) LTD. in Hong Kong.

Ceramic Antenna

Microwave Components'79

Started Sporting Goods
business. (withdrew in1995)

Established Lumax
Yokowo Technologies
Private Limited inIndia.

●●● 	S tarted Microwave
Component business.
(transferred to the Vehicle
Communication Equipment
business in 2002)

Established YOKOWOEUROPE GmbH inGermany.

●●Hi-GigaSockets

Micro Antenna

Established YOKOWO
MFG. CO., (TAIWAN) Ltd.
(now YOKOWO MICROTECH CO., LTD.)

1970

'20

Established YOKOWO
KOREA CO., LTD. in
Korea.

● 	●

Established YOKOWOVIETNAM CO., LTD. inVietnam.

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

●

Incorporated.

Pillar Antenna

'11

●

Outdoor Unit for BS

Started Vehicle Communication Equipment
business.

Listed on the first sectionof the Tokyo Stock
Exchange.

Began OEM supply ofGuide Wire for medicaltreatment.

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

Rod Antenna

'59

'02

Established DONGGUANYOKOWO CARCOMPONENTS CO., LTD.
in China.

Personal Communication Antenna

'73

'57

●

2020

●

Tomioka Plant

1950'51'01

2010

●

'62

Spring Bar

2000

●

'19

Registered the Smart®
Weld trademark for its
original technology forbonding different metallic
materials.

●

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

●

Yokowo 2022 Integrated Report10