| Dec. | 1946 | Established Kasuga Radio Co., Ltd. (predecessor of Kenwood Corporation) in Komagane, Nagano Prefecture |
| Feb. | 1947 | Succeeded in manufacturing high-performance radio parts (high-frequency coils) |
| Jun. | 1949 | Trio’s high-frequency coil passed the NHK (Japan Broadcasting Corporation) approval certificate for the first time in Japan |
| Jan. | 1950 | Renamed Kasuga Radio Industry Corporation |
| Feb. | 1955 | Established the Tokyo office in Ota-ku, Tokyo, and began mass production of audio, communications and measuring equipment |
| Apr. | 1957 | Began exporting FM tuners for the first time as a Japanese manufacturer |
| Jan. | 1958 | Relocated the head office from Akaho, Komagane, Nagano Prefecture to the Tokyo Plant in Yukigaya, Ota-ku, Tokyo |
| Jan. | 1960 | Renamed Trio Electronics, Inc. |
| Oct. | 1961 | Listed on the second section of the Tokyo Stock Exchange |
| Sep. | 1962 | Launched the industry’s first transistor amplifier |
| Jul. | 1963 | Established the Hachioji Business Center in Hachioji, Tokyo |
| Dec. | 1963 | Set up Company’s first overseas sales firm in the U.S. (present Kenwood U.S.A. Corporation) and began full-scale overseas operations |
| Jun. | 1965 | Relocated the head office from Ota-ku, Tokyo to Shibuya-ku, Tokyo |
| Jan. | 1966 | Fully transistorized audio products for the first time in the industry |
| Oct. | 1969 | Listed on the first section of the Tokyo Stock Exchange |
| Aug. | 1971 | Relocated the head office from Shibuya-ku, Tokyo to Meguro-ku, Tokyo |
| Mar. | 1978 | Entered the commercial wireless radio equipment field, by introducing commercial wireless radio terminal in Japan |
| Apr. | 1979 | Set up Company’s first overseas production firm in Singapore (present Kenwood Electronics Technologies (S) Pte. Ltd.) |
| Apr. | 1980 | Entered the car audio field, launching car audio systems in the U.S. |
| Dec. | 1980 | Relocated the head office from Meguro-ku, Tokyo to Shibuya-ku, Tokyo |
| Jul. | 1981 | Set up production subsidiary Tohoku Trio (present Kenwood Yamagata Corp.) in Tsuruoka, Yamagata Prefecture |
| Aug. | 1981 | Decided on “KENWOOD” as the corporate brand |
| Sep. | 1982 | Entered the portable audio field, introducing portable FM radio |
| May | 1983 | Entered the Business & Industry sector of commercial wireless radio field, by beginning to sell Land Mobile Radio equipment in the U.S. |
| Jun. | 1986 | Renamed Kenwood Corporation |
| Aug. | 1989 | Established the Yokohama Business Center in Midori-ku, Yokohama, Kanagawa Prefecture |
| Aug. | 1989 | Entered the public safety sector of commercial wireless radio field, by beginning to sell Land Mobile Radio equipment, establishing the base for commercial wireless radio business |
| Jun. | 1990 | Set up production subsidiary Kenwood Nagano Corporation in Ina, Nagano Prefecture |
| Oct. | 1991 | Developed the radio systems for F1 world championship race and began an official supplier contract with the Team McLaren |
| Mar. | 1992 | Entered the car navigation system field, launching the industry's first 1DIN-size GPS car navigation system |
| Mar. | 1994 | Entered the mobile phone field, introducing digital mobile phones |
| Dec. | 1996 | Entered the mobile phone field for overseas markets, by launching GSM phones |
| Feb. | 1997 | Supplied Real Focus Sound System for Forester and 2nd Legacy of Subaru, establishing the base for the OEM business |
| Apr. | 1998 | Entered the PC peripheral device field, introducing the industry’s fastest 40x CD-ROM drive |
| Nov. | 2000 | Withdrew from the GSM phone and CD-ROM drive businesses |
| Mar. | 2001 | Announced the “Mid-term Reconstruction Plan” |
| Sep. | 2001 | Issued new shares worth a total of 7.1 billion yen through a third-party allocation |
| May | 2002 | Booked negative net worth in the fiscal year ended March 2002, and announced the “Kenwood Revitalization Plan” |
| May | 2002 | Withdrew from the test and measuring equipment business |
| Jun. | 2002 | Relocated the head office from Shibuya-ku, Tokyo to the Hachioji Office in Hachioji, Tokyo |
| Jul. | 2002 | Announcedthe “Revitalization Action Plan” |
| Oct. | 2002 | Issued new shares worth a total of 2.0 billion yen through a third-party allocation |
| Nov. | 2002 | Withdrew from development/production of digital mobile phones |
| Dec. | 2002 | Eliminated negative net worth through a debt-for-equity swap amounting to 25.0 billion yen |
| Feb. | 2003 | Launched “Production Innovation” activities under the slogan of “KENWOOD Quarter QCD (quality, cost and delivery) Revolution” |
| May | 2003 | Accomplished a V-shaped recovery in earnings as a result of four structural reforms, and posted a record consolidated net income in the fiscal year ended March 2003 |
| May | 2003 | Announced the first mid-term business plan “Excellent Kenwood Plan” |
| Sep. | 2003 | Announced the “Seamless Entertainment” concept that integrates car electronics and home electronics |
| May | 2004 | Posted a record consolidated net income in the fiscal year ended March 2004 for the second consecutive year by enhancing consolidated management and implementing “Production Innovation” activities |
| Jun. | 2004 | Acquired the wireless radio operations of Toyo Communication Equipment Co., Ltd. |
| Aug. | 2004 | Completed the “New Financial Strategy”, and entirely eliminated cumulative loss, redeemed the first tranche class-A preferred stocks, terminated financial agreements, and substantially reduced interest-bearing debts |
| Feb. | 2005 | Formed a technical and capital alliance with Icom Inc. to jointly research the standardization of technical specifications for digital wireless radio equipment |
| May | 2005 | Formulated the second mid-term business plan “Value Creation Plan” |
| Jun. | 2005 | Resumed dividend payments for the first time in six years |
| Aug. | 2005 | Redeemed the first tranche class-B preferred stock, thereby completely redeemed all preferred stocks that were issued in association with a debt-for-equity swap |
| Jun. | 2007 | Blaupunkt and Kenwood planed cooperation, partnership in portable navigation Innovative features for globally usable devices |
| Mar. | 2007 | Entered into a tie-up with EADS Secure Networks North America, a company of the group headed by the leading European aerospace and defense corporation EADS, to mutually supply Digital Land Mobile Radio equipment |
| Mar. | 2007 | Launched the “dPMR MoU Group” voluntary organization jointly with Icom Inc. and radio equipment companies in Europe in order to establish standards for commercial digital wireless radio equipment for business & industry sectors |
| May | 2007 | Converted Zetron, Inc., a U.S. systems-based communication company into a subsidiary |
| Aug. | 2007 | Invested 20.0 billion yen and formed a strategic business alliance in/with Victor Company of Japan, Limited |
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