Founded in 1946 as Kasuga Radio Co. Ltd. in Komagane, Nagano Prefecture, Japan by Kasuga Nakaichi and family members. Originally named TRIO, renamed to Kenwood Corporation in 1986. Pioneered Japan's first mass-produced transistor amplifier in 1962, marking industry shift from vacuum tubes. Established first overseas office in Los Angeles (1963), becoming first Japanese firm operating in US under own name. In October 2008, merged with JVC to form JVCKenwood Corporation, headquartered in Yokohama. Known for AM/FM receivers, cassette decks, amateur radio equipment, professional two-way radios, car audio, and consumer electronics. JVCKenwood operates across four global business segments: Car Electronics, Professional Systems, Optical & Audio, and Entertainment Software.