연역
2000s
- 2009
- -TOA ELECTRONICS SOUTHERN AFRICA (PROPRIETARY) LIMITED founded in Republic of South Africa.
- -Large-scale installation of line array speakers (types A, C, etc.) at Hanshin Koshien Stadium.
- 2008
- -TOA ELECTRONICS (M) SDN. BHD., a Malaysian overseas subsidiary, is established.
- -Involvement in many facilities at the Beijing Olympics, including the Main Stadium and Olympic Village.
- -The "Customer Consultation Center", which unifies the point of contact for all product inquiries, is established.
- -"TOA Direct", TOA’s direct sales Internet site, is established.
- -ACOUS Corporation, Pasco Co., Ltd. merge and continue as ACOUS Corporation.
- 2007
- -Joint venture , PT. TOA GALINDRA ELECTRONICS, is established in Indonesia.
- 2006
- -First development of Multichannel Digital Power Amplifiers designed for high impedance applications in Japan.
- -Full-scale entry into the business field related to Earthquake Early Warning systems.
- -Dissolves TOA ASSOCIATE CORPORATION.
- 2005
- -Development of Line Array Speakers.
- -Joint development of the large, multi-point access conference system with NHK.
- 2004
- -Receives the 9th Disclosure Award from the Tokyo Stock Exchange.
- -NX-100 network audio adapter receives the Grand Prix award of the 2004 IPv6 Application Contest.
- 2003
- -Construction of new factory of ACOUS Co., Ltd. completed.
- -TOA ASSOCIATE CORPORATION established.

N-CC1110 / NX-100
- 2002
- -TOA's wholly-owned subsidiary, TOA China Ltd., is established in China.
- -New products employing TOA's networking technologies are released.
NetCanSee video networking system(N-CC1110)
Packet Audio network PA system (NX-100) - -ACOUS Corporation, AIREX Co., Ltd., and MECANIX Co., Ltd. merge and continue as ACOUS Corporation.

Wing Stadium, Kobe

NHK Hall, Osaka.
- 2001
- -TOA's Takarazuka headquarters win ISO 14001 certification for environmental compatibility.
- -TOA installs the ix-3000 and other sound systems in NHK Hall, Osaka.
- -Establishes DYNATECH CORPORATION (SHEN ZHEN) (consolidated accounting from 2005).
- -TOA's wholly-owned subsidiary, TOA Electronics PTE Ltd., is established in Singapore.
- -TOA's wholly-owned subsidiary, TOA Vietnam Co., Ltd., is established in Vietnam.
- -Field sound systems and integrated emergency systems are installed in Kobe Wing Stadium, one of the venues used for the 2002 FIFA World Cup.

HELLO JAPAN! HELLO 21!! in GIFU
- 2000
- -TOA introduces the SAP/R3 system into its business operations, incorporating an SQL server to unify its basic information and accounting systems.
- -TOA's sound systems play a central role in the "HELLO JAPAN! HELLO 21!! in GIFU" event put on by world-famous fashion designer Yamamoto Kansai.
1990s
- 1999
- -Receives Good Design Prize for Interior Design Speaker.
- -Integrated emergency PA system installed at Osaka International Airport.
- -Dissolves Takitsu Co., Ltd.
- 1998
- -New Takarazuka headquarters building completed.
- -Buys BBM company in England.
- 1997
- -Listed on the First Section of both Tokyo and Osaka stock exchanges.
- -Large-scale sound system including ix-3000 installed at Setagaya Arts Center.
- -High-speed rotating dome camera released.
- 1996
- -Listed on Second Section of Tokyo Stock Exchange.
- -TOA Internet Home Page established.
- -Sound system installed at China Trust Music Hall, Taiwan.
- -Corporate sponsor of Kobe Luminarie. Sound production managed by XEBEC; 3.85 million Visitors.
- -IP series dual power amplifier for facilities released.
- -Sound image shifting system using digital signal processing technology installed at Toda Motorboat Racing Facility.
- 1995
- -Great Hanshin Earthquake strikes on January 17.
- -Hong Kong Office incorporated as TOA (Hong Kong) Ltd.
- -Consolidated accounting system begins.
- -Receives Grand Prix at Mecenat Awards '95 presented by Mecenat Council.
- 1994
- -PA and other systems installed at Kansai international Airport.
- -World's first speaker system allowing individual speaker volume adjustment at one location installed in Mitsukoshi Department Store's Yebisu (Tokyo) branch.
- -Convention audio equipment installed at National Convention Hall of Yokohama.
- -DP-0204 Digital Signal Processor developed.
- -World's first diesel-engine noise canceling system commercialized.
- 1993
- -PA and other systems installed at Yokohama Landmark Tower.
- 1992
- -International Standardization Organization (ISO) certification obtained.
- -First version of the ix-11000 fully digital mixing system for broadcasting stations and studios put into use in NHK's Studio CU226.
- -Arena audio system installed in Fukuoka Dome.
- -Automatic broadcasting and other equipment installed in new terminal at Chitose Airport.

NHK Hall
- 1991
- -Responsible for sound management at opening and closing ceremonies of international track and field meet.
- -PA and other systems installed in Bali's international airport.
- -Sound system installed in NHK Hall.
- 1990
- -TOA Canada Corporation established in Ontario.
- -Z-DRIVE System touring speaker system developed.
- -First version of the ix-9000 fully digital mixing system starts operation in the Vienna State Opera House.
1980s
- 1989
- -TOA Electronics Taiwan Corporation established in Taipei.
- -Construction of new TOA PI Building completed.
- -TOA Electric Co., Ltd. renamed TOA Corporation.
- -XEBEC Corporation established.
- 1988
- -BEAM sound room opened at Tokyo Office.
- -An induction course held on a desert island as one of the new recruit education programs.
- -SAORI Digital Signal Processor developed.
- 1987
- -Information Center opened.
- -All-zone emergency broadcast system and Call Station 12 developed.
- 1986
- -STI measuring system, color CCTV camera, teleconferencing system, and multi-point communication system developed.
- -TOA speaker sales increase, backed by a surging disco boom.
- 1985
- -New corporate symbol introduced.
- -Official supplier for 1985 Kobe Universiade.
- -TOA wins its first Good Design Prize (G mark) for 7 models, including a simplified CCTV system.
- 1984
- -TOA enters the intercom market, introducing ten new products including door-phones.
- 1983
- -CCTV (closed-circuit television) system developed.
- 1982
- -Online national distribution network completed.
- 1981
- -TOA equipment used at Kobe Portopia '81.
- -Starts operations of the Western Japan Distribution Center.
- 1980
- -Acoustic Center opened at Takarazuka Headquarters.
- -Establishes Dynatron Industrial Co., Ltd. (consolidated accounting from 2001).
1970s
- 1979
- -TOA invests in Hino Seiki Co., Ltd.
- 1978
- -The MA-007 Wireless Music Amplifier (Karaoke) is released, and becomes a big hit.
- -AIREX Co., Ltd. established.
- -Sound Room completed at Takarazuka Headquarters.
- 1977
- -U.K. Branch opened (reorganized as a company in1983).
- -Stock listed on the Second Section of the Osaka Stock Exchange.
- 1976
- -Joint venture P.T. TOA Galva Industries founded in Jakarta, Indonesia.
- -Y75 million worth of order received for equipment for Africa's largest soccer stadium in Angola.
- -Intercom System developed.
- 1975
- -"Replica" Professional Sound System developed.
- 1974
- -TOA Electronics, Inc. established in San Francisco.
- -Z-Series amplifiers enjoy excellent reputation.
- -The HA-30 amplifier released. Reputed to be an "exquisite instrument of the amplifier."
- 1973
- -TOA Electronics Deutschland Gmbh established in Hamburg (reorganized in 1983).
- -TAKITSU Co., Ltd. founded.
- -Computer-connected automatic broadcasting system developed.
- -National Police Agency makes bulk purchase of patrol car PA systems.
- 1972
- -Pasco Co., Ltd. established.
- -Pendent speaker, the industry's first of its kind, developed.
- -900-series launched in the North American market.
- -Desk-amplifiers are released.
- -Automatic train announcement system installed at both Keisei Narita Station and Nankai Wakayakashi Station.
- -Transfers medical equipment division operations to Toa Medical Electronics Co., Ltd. (now Sysmex Corporation).
- 1970
- -TOA Communications Co., Ltd. established (now TOA Engineering Co., Ltd.).
- -Takeo TOA Co., Ltd. established (now TAKEX Co., Ltd.).
- -TOA equipment used for Osaka's Expo '70.
- -"Chika-Chika" Series wireless amplifiers is released.
1960s
- 1969
- -Emergency warning system developed.
- 1968
- -TOA PA system logo introduced.
- -New PA system using cabinet-rack format developed.
- -Holds the 1st PA System Exhibition at the Osaka Shin-Hankyu Building.
- -Megaphone for use in airplanes jointly developed with Japan Airlines.
- -Establishes Takarazuka Metal Co., Ltd. (name changed to MECANIX Co., Ltd. in 1983), a company specializing in manufacturing metal press dies.
- -Establishes a medical equipment sales company, Toa Medical Electronics Co., Ltd. (now Sysmex Corporation).
- 1967
- -Blue Line series of amplifiers developed.
- 1965
- -ACOUS Co., Ltd. founded.
- -Transistor megaphone plant receiver JIS certification.
- 1964
- -TOA broadcasting equipment chosen for 31 locations around Tokyo Olympic Games venues.
- 1963
- -Automatic blood cell counting instrument developed and first unit delivered.
- -Attracted industry-wide attention with development of HA-30 amplifier.
- -Establishes Ikegami Metal Co., Ltd., a Toa satellite company specializing in metal spin forming.
- 1962
- -New Production Facility established in Takarazuka, Hyogo Prefecture.
- -Orients toward the development of a high power output PA system. Tests prove successful.
- 1961
- -The decision is made to make inroads into the medical engineering (ME) industry.
- -A police motorcycle PA system is developed.
- 1960
- -"Toa's Megaphone," a radio commercial sung by The Peanuts (a popular Japanese singing duo of twin sisters) is produced and regularly broadcast.
1950s
- 1959
- -CA-106 and CA-112 transistor amplifiers for automobiles developed.
- 1958
- -TOA is recognized by MITI (Japan's Ministry of International Trade and Industry) as a model rationalized factory for small and medium enterprises.
- -The second-generation ER-58 transistorized megaphone is released and well received.
- 1957
- -Japan's first transistorized megaphone, the ER-57, is developed.
- 1956
- -First floor of the ferroconcrete head office building under construction.
- 1955
- -Electric megaphones win widespread popularity in Japan's national election.
- 1954
- -"Three Guarantees" basic management policy established.
- -Tokyo Office established."
- -EM-202, the world's first electric megaphone, developed."
- 1953
- -"Let's Grow With the TOA Brand."
- -Exports to India, TOA's first overseas trade.
1940-30s
- 1949
- -TOA Electric Co., Ltd. capitalized at Y500,000, with 12 employees and Tsunetaro Nakatani as president.
- -Main factory established in Hyogo-ku, Kobe.
- 1947
- -TOA returns from Tokushima to Kobe, and restarts operations in Kobe's Suma ward.
- -Japan's first permanent reflex horn speaker developed.
- 1946
- -Production resumes in Tokushima.
- 1945
- -The company building is totally destroyed in the March 16 and 17 Kobe air raids.
- 1944
- -A TOA product catalog from 1944.
- 1937
- -The company moves to new premises on Shimosawa-dori in Kobe's Hyogo ward.

Mr. Tsunetaro Nakatani (TOA's first president)
- 1934
- -Inaugurated in Kobe by Tsunetaro Nakatani as TOA Electric Manufacturing Company.
- -Production and sales of horn speakers, microphones and amplifiers begin.