Management System Certification Status

The TAIYO YUDEN Group has obtained ISO9001 certification for all of its production sites and IATF16949 certification for many of its products.

TAIYO YUDEN Group ISO9001, IATF16949 Certification Status

As of March 2024

ISO9001 Certification Status

Site Products Registration Standard Certification Authority Certificate number Expiration date Certification
TAIYO YUDEN CO., LTD.
Capacitor Division
Tamamura Plant/ Haruna Plant
(Japan)
Multilayer Ceramic Capacitors
Ceramic Powder
ISO9001
:2015
Bureau
Veritas
JP022936 2025/10/14 PDF
TAIYO YUDEN CO., LTD. 
Ferrite Inductors & Application Division
Nakanojo Plant/ Yawatabara Plant
(Japan)
Inductors ISO9001
:2015
Bureau
Veritas
4714315 2025/05/31 PDF
TAIYO YUDEN CO., LTD. 
Integrated Module Business Division
Yawatabara Plant
(Japan)
Power Supply(Module)
Short Distance Wireless Communication Device
Device Embedded Substrate
ISO9001
:2015
Bureau
Veritas
JP023509 2026/04/26 PDF
TAIYO YUDEN CO., LTD. 
Electronic Components Division (RF Filter)
Tamamura Plant
(Japan)
Multilayer Ceramic Devices
Chip Antenna.
ISO9001
:2015
Bureau
Veritas
JP024327 2027/01/18 PDF
NIIGATA TAIYO YUDEN CO., LTD.
(Japan)
Multilayer Ceramic Capacitors ISO9001
:2015
Bureau
Veritas
4723767-2B 2025/10/14 PDF
TAIYO YUDEN CHEMICAL TECHNOLOGY CO., LTD.
(Japan)
Plating for Electronic Components,
Metal Mask and Screen Mask
Multi-functional Fine Surface Coating
ISO9001
:2015
Bureau
Veritas
JP021568 2024/09/04 PDF
FUKUSHIMA TAIYO YUDEN CO., LTD.
(Japan)
Inductors ISO9001
:2015
Bureau
Veritas
JP023685 2026/06/23 PDF
WAKAYAMA TAIYO YUDEN CO., LTD.
(Japan)
Chip Inductors ISO9001
:2015
Bureau
Veritas
JP022982 2025/11/04 PDF
TAIYO YUDEN TECHNO SOLUTIONS CO., LTD.
(Japan)
Electonic Assembly Boards
functional modules
ISO9001
:2015
Bureau
Veritas
JP022928 2025/11/11 PDF
TAIYO YUDEN Mobile Technology Co., Ltd.
(Japan)
SAW devices
FBAR devices
RF module
ISO9001
:2015
BSI FS56057 2024/10/09 PDF
KOREA KYONG NAM TAIYO YUDEN CO., LTD.
(Korea)
Multilayer Ceramic Capacitors
Axial Leaded Ceramic Capacitors
ISO9001
:2015
Bureau
Veritas
KR003283 2025/03/30 PDF
TAIYO YUDEN (SARAWAK) SDN. BHD.
(Malaysia:Sarawak)
Multilayer Ceramic Chip Capacitors ISO9001
:2015
Bureau
Veritas
MY008611 2024/08/15 PDF
TAIYO YUDEN (GUANGDONG) CO., LTD.
(China:Guangdong)
Multilayer Ceramic Capacitors
SMD Power Inductors
Ring Varistors
Radial leaded Inductors
ISO9001
:2015
Bureau
Veritas
CN045114 2026/07/30 PDF
TAIYO YUDEN (PHILIPPINES), INC.
(Philippines:Cebu)
Electronic Components such as Inductors and Filters ISO9001
:2015
SGS PH10/0553 2024/09/29 PDF
ELNA CO., LTD.
Aomori Factory
(Japan)
Aluminum electrolytic capacitors with solid and non-solid electrolyte
Electric double layer capacitors
ISO9001
:2015
SGS JP05/060268 2026/10/24 URL
ELNA CO., LTD.
Shirakawa Factory
(Japan)
Electrodes
Capacitors
ISO9001
:2015
SGS JP23/00000023 2027/03/02 URL
ELNA (THAILAND) CO., LTD.
(Thailand:Chiangmai)
(Old TANIN ELNA CO., LTD. )
* Company Name Changed, effective on October 1, 2023.
Aluminum electrolytic capacitors
Electric double layer capacitors
ISO9001
:2015
TÜV
NORD
44 100 990506 2024/07/26 URL
ELNA (MALAYSIA) SDN. BHD.
(Malaysia:Penang)
(Old ELNA-SONIC SDN. BHD.)
* Company Name Changed, effective on October 1, 2023.
Aluminum electrolytic capacitors ISO9001
:2015
Kiwa
Cermet
17318-A 2024/07/21 URL

IATF16949 Certification Status

Site Products Registration Standard Certification Authority Certificate number
(IATF№)
Expiration date Certification
TAIYO YUDEN CO., LTD.
Tamamura Plant
(Japan)
Multilayer Ceramic Capacitors IATF16949
:2016
Bureau
Veritas
0433866 2024/11/04 PDF
TAIYO YUDEN CO., LTD.
Haruna Plant
(Japan)
Ceramic Powder IATF16949
:2016
Bureau
Veritas
433668 2024/11/04 PDF
TAIYO YUDEN CO., LTD.
Nakanojo Plant
(Japan)
Core, Powder for the Inductors IATF16949
:2016
Bureau
Veritas
419869 2024/08/17 PDF
TAIYO YUDEN CO., LTD.
Tamamura Plant
(Japan)
Multilayer Ceramic Devices IATF16949
:2016
Bureau Veritas 0444020 2025/02/17 PDF
NIIGATA TAIYO YUDEN CO., LTD.
(Japan)
Multilayer Ceramic Capacitors IATF16949
:2016
Bureau
Veritas
433439 2024/11/03 PDF
TAIYO YUDEN CHEMICAL TECHNOLOGY CO., LTD.
(Japan)
Plating for Terminal electrode of Multi Layer Ceramic Capacitor IATF16949
:2016
Bureau
Veritas
0470919 2026/03/16 PDF
FUKUSHIMA TAIYO YUDEN CO., LTD.
(Japan)
Ferrite Wire-wound SMD Power Inductors
Metal Wire-wound Chip Power Inductors
IATF16949
:2016
Bureau
Veritas
0465056 2025/12/22 PDF
WAKAYAMA TAIYO YUDEN CO., LTD.
(Japan)
Multilayer Chip Inductors IATF16949
:2016
Bureau Veritas 0441055 2025/01/12 PDF
TAIYO YUDEN Mobile Technology Co., Ltd.
(Japan)
SAW devices
FBAR devices
IATF16949
:2016
BSI 427890 2024/10/04 PDF
KOREA KYONG NAM TAIYO YUDEN CO., LTD.
(Korea)
Multilayer Ceramic Capacitors IATF16949
:2016
Bureau
Veritas
411117 2024/07/08 PDF
TAIYO YUDEN (SARAWAK) SDN. BHD.
(Malaysia:Sarawak)
Multilayer Ceramic Capacitors IATF16949
:2016
Bureau
Veritas
418505 2024/08/15 PDF
TAIYO YUDEN (GUANGDONG) CO., LTD.
(China:Guangdong)
Multilayer Ceramic Capacitors
SMD Power Inductors
Ring Varistors
IATF16949
:2016
Bureau
Veritas
0479457 2026/07/24 PDF
TAIYO YUDEN (PHILIPPINES), INC.
(Philippines:Cebu)
Multilayer Chip Inductors
Rectangular Wire Wound Ferrite Chip Inductors
Low Profile Wire Wound Ferrite Inductors
Wire Wound Chip Inductors
Metal Core SMD Power Inductors
IATF16949
:2016
SGS 427891 2024/09/29 PDF
ELNA CO., LTD.
Aomori Factory
(Japan)
Aluminum electrolytic capacitors with solid and non-solid electrolyte
Electric double layer capacitors
IATF16949
:2016
SGS 0486210 2026/10/23 URL
ELNA CO., LTD.
Shirakawa Factory
(Japan)
Conductive polymer hybrid Aluminium electrolytic capacitors IATF16949
:2016
SGS 0503582 2027/03/01 URL
ELNA (THAILAND) CO., LTD.
(Thailand:Chiangmai)
(Old TANIN ELNA CO., LTD. )
* Company Name Changed, effective on October 1, 2023.
Aluminum electrolytic capacitors
Electric double layer capacitors
IATF16949
:2016
TÜV
NORD
0413444 2024/07/26 URL
ELNA (MALAYSIA) SDN. BHD.
(Malaysia:Penang)
(Old ELNA-SONIC SDN. BHD.)
* Company Name Changed, effective on October 1, 2023.
Aluminum electrolytic capacitors IATF16949
:2016
Kiwa
Cermet
0413715 2024/07/21 URL

The list of certification status is last updated on the date indicated next to the title.
For the latest information, please contact our sales representatives.