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. Fromthese 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 TomiokaCity), where the founder was born and raised, as the center of development
and production, Yokowo is developing and providing cutting-edge products forthe global market while expanding its bases overseas.

1980'83

●

1990

2000

2010

'90

●

Changed company name to YOKOWOCO., LTD.

'01●

Listed on the first section of the Tokyo
Stock Exchange.

'92●

Developed a small-sized ceramic patch
GPS Antenna.

'02●

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

'11●

Established YOKOWO VIETNAM CO.,LTD. in Vietnam.

●

Began OEM supply of Guide Wire for
medical treatment.

Started Personal Communication
Antenna business. (withdrew in 2014)

GPS Antenna

1920'22

1960●

Founded YOKOWO MFG. CO., LTD. inSumida, Tokyo.

●

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

'61●

Cellular Phone Antenna

Established Tomioka plant in Kanohara,Tomioka.

●

Personal Communication
Antenna

Spring Bar'67

●

●

1950
'51

●

Incorporated.

'56●

Started Rod Antenna business.
(withdrew in 2003)

Listed on the second section of theTokyo Stock Exchange.
Established YOKOWO MFG. CO.,(TAIWAN) Ltd.
(now YOKOWO MICRO TECH CO., LTD.)

●

'86

●

●

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

'95
'96

●

●'87

●

Established YOKOWO (HONG KONG) LTD.

Established DONGGUAN YOKOWOELECTRONICS CO., LTD. in China.
(merged with DONGGUAN YOKOWOCAR COMPONENTS CO., LTD. in 2017)

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

●

Established YOKOWO KOREA CO., LTD.
in Korea.

●Developed the industryʼs first socket for
high-frequency testing.

'05

Developed the worldʼs first Micro
Antenna for automotive AM/FM radio.

●

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

●Developed a 2 Piece connector to makea full entry into the rugged handheld
device market.

●Started Microwave Ceramics business.

'12●

Acquired ISO 13485 certificate.

'13●

Commercialized the YPX probe cardseries for the testing of high frequency
devices using MEMS technology.

YPX Series'14●

Acquired ISO 27001 certificate.

'16●

Acquired OHSAS 18001 certificate.
(Transferred to ISO 45001 in 2020)'18●

Established Advanced Measurement
Technology Center in Tomioka plant.

●

Registered the SmartWeld trademark
for its original technology for bonding
different metallic materials.

●

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

2 Piece Connector

Micro Antenna

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

Guide Wire for
Medical Treatment

Hi-Giga Sockets

Started Fine Connector business.

Spring Connector

1970
'73

Microwave Components'84●

Started Microwave Component business.
(transferred to the Vehicle Communication
Equipment business in 2002)

Tomioka Plant

'62

'94

'06

●

Started Medical Device business.

Components for
Medical Devices(Tip Terminal of Catheter)

Rod Antenna
Ceramic Antenna

'57

●

'78

●

Established YOKOWO (SINGAPORE) PTE.
LTD.

'79

●

Started Circuit Testing Connector business.

Started Vehicle Communication
Equipment business.

●Pillar Antenna

AM/FM Motor Antenna●'97●

Developed a BGA Test Socket to makea full entry into the semiconductor
inspection market.

'07

AMT Center●

Established YOKOWO Advanced Device
Center. (reorganized into a jointcorporation in 2019)'19®

Outdoor Unit for BS
Contact Probe'59

Began OEM supply of various satellite
broadcast reception devices in tandem withNHKʼs launch of satellite broadcast services.

'89●

BGA Test Socket

Completed new head office in Tokyo.

'99●

Started Sporting Goods business.
(withdrew in 1995)●Established DONGGUAN YOKOWOCOMMUNICATION COMPONENTS
CO., LTD. in China.
Established YOKOWO EUROPE LTD. inLondon, U.K.

'08

●Took over probe card business fromGenesis Technology Inc.

●

Established YOKOWO MEMS
development center.

2020
'20

●

Established YOKOWO EUROPE GmbHin Germany.

●

Established Lumax Yokowo Technologies
Private Limited in India.

Golf Goods

06

Yokowo 2020 Integrated Report

Yokowo 2020 Integrated Report

07