Company founded.

Manufacture and sale of oil-filled paper capacitors began.

Manufacture and sale of type MFL plastic film capacitors(now type 501) began.

Manufacture and sale of type TAC tantalum wet electrolyte capacitors began.

Manufacture and sale of Japan’s first type TAF dipped tantalum solid electrolyte capacitors began.

Manufacture and sale of type TAX metal encased tantalum solid electrolyte capacitors(now type 111) began.

Manufacture and sale of UNICAP molded tantalum solid electrolyte capacitors began.

Manufacture and sale of MICROCAP tantalum chip solid electrolyte capacitors began.

Shimane Matsuo Electronic Co.,Ltd. founded.
(became our Shimane Plant in Mar.2019 through an absorption merger)

Matsuo Electronics of America founded in USA.
(liquidated in Dec.2009)

Manufacture and sale of type UPF polypropylene film capacitors (now type 602) began.

Listed in the second section on the Osaka Stock Exchange.

Manufacture and sale of type 202 compact dipped tantalum solid electrolyte capacitors began.

Manufacture and sale of type 204 high-relibility dipped tantalum capacitors began.

Manufacture and sale of type 553 ultra-small encased polyester film capacitors began.

Manufacture and sale of type 311 tantalum wet electrolyte capacitors began.

Fukuchiyama Plant founded in Fukuchiyama City,Kyoto.

Manufacture and sale of type 267 compact tantalum chip capacitors began.

Manufacture and sale of type 269 integral-fuse solid electrolyte tantalum capacitors began.

Manufacture and sale of type 277 low-profile tantalum chip capacitors began.

Manufacture and sale of type 801 PPS film capacitors began.

Manufacture and sale of type 503 ultra-compact dipped PET film capacitors began.

Matsuo Electronics Europe founded in Germany.
(liquidated in Mar.1999)

Manufacture and sale of type 551 ultra-compact encased metalized polyester capacitors began.

Manufacture and sale of type 278 ultra-compact tantalum chip capacitors began.

Manufacture and sale of type JAA chip circuit protectors began.

Manufacture and sale of type KAB micro fuse began.

Manufacture and sale of type 251 ultra-miniature tantalum chip capacitors with facedown terminal structure began.

Manufacture and sale of size 1005 type KAC micro fuse began.

Our Fukuchiyama Plant was awarded ISO 9001:2000 certification for Quality Management System,upgrade from ISO 9001:1994.

Manufacture and sale of type ACA aluminum solid electrolytic capacitors with conductive polymer began.

Our Fukuchiyama Plant was awarded Quality Management Systems ISO/TS16949:2002 certification for.

Manufacture and sale of type TCA and TCB tantalum solid electrolytic capacitor with conductive polymer began.

Manufacture and sale of type KVA surge absorber for ESD protection began.

Manufacture and sale began of type 252 and 267N tantalum chip capacitors, which conform to the AEC-Q200 international automotive electronics testing qualification.

Manufacture and sale of JAXA CWS11 guaranteed-reliability tantalum solid electrolytic chip capacitors for aerospace development began.

Manufacture and sale of type JHC micro fuse which is available for a high electric current began.

Manufacture and sale began of type JAG N series micro fuse for automotive electronics.

Listed in the second section on the Tokyo Stock Exchange.

Shimane Matsuo Electronic Co.,Ltd.acquired ISO/TS1649.2009: an international standard for quality management systems.

Development of improved voltage-resistance type JHC1173 size fuses for high currents completed.

Our Fukuchiyama Plant and Shimane Matsuo Electronic Co., Ltd.(curreutly our Shimane Plant) acquired IATF16949：2016, an international standard for quality management system in the automotive industry.

We were awarded ISO14001:2015 certification for Environmental Management Systems.

Development of JAJ/JAK3216 size micro-fuses that can accommodate currents of up to 20A completed thanks to use of a proprietary design.

Capital increased through third-party allocation to Kamaya Electric Co., Ltd.

Listed on the Tokyo Stock Exchange Standard Market.

Development of the 6125 size of the Type JAJ micro-fuse completed.

Manufacture and sale began of type JHC N series micro fuse for automotive electronics.