On April 1, 2021, Sony Corporation changed its name to Sony Group Corporation as part of a reorganization into a holding company structure, while the electronics business continued under the Sony Corporation name. This change reflected the company’s modern identity: no longer centered on a single electronics division, Sony had become a diversified group spanning games, music, film, imaging sensors, financial services, and technology platforms. The renaming formally recognized a strategic transformation decades in the making, from device maker to broad entertainment and technology conglomerate.

On May 22, 2018, Sony announced a deal worth about $2.3 billion to acquire an additional stake in EMI Music Publishing, a transaction that would make Sony the world’s largest music publisher. The move underscored how far Sony had evolved from an electronics-first company into a global entertainment powerhouse built around intellectual property and content rights. By expanding its control over a major publishing catalog, Sony strengthened a high-margin business tied to streaming growth, licensing, film, television, and long-term music royalties.

In April 2011, Sony faced one of the most serious crises in its history when an external intrusion compromised data associated with roughly 77 million PlayStation Network accounts and forced a lengthy service shutdown. The incident damaged consumer trust, prompted regulatory and legal scrutiny, and became a landmark event in the public understanding of cybersecurity risks facing large digital platforms. For Sony, the breach exposed the vulnerabilities that accompanied its transformation into an online services company and forced major changes in security, communications, and risk management.

In 2005, Sony introduced the BRAVIA television brand, seeking to restore its leadership in the highly competitive flat-panel TV market. The brand emphasized picture quality, industrial design, and premium positioning at a time when LCD televisions were replacing older display technologies. BRAVIA became important not only as a product line but also as part of Sony’s broader attempt to unify hardware, visual media, and brand identity. Its launch reflected the company’s determination to remain relevant in home entertainment despite rising competition from other Asian manufacturers.

In October 2001, Sony and Sweden’s Ericsson formed Sony Ericsson Mobile Communications as a 50-50 joint venture. The partnership was designed to combine Sony’s strengths in consumer electronics and branding with Ericsson’s telecommunications expertise. At a time when mobile phones were becoming central consumer devices, the venture represented Sony’s effort to secure a stronger position in handheld digital communications. Although the joint venture faced intense competition and later ended with Sony buying out Ericsson’s stake, it marked a major strategic phase in Sony’s mobile ambitions.

In 1999, Sony introduced the AIBO entertainment robot, an ambitious consumer robotics product that combined artificial intelligence, sensors, and companion-like behavior. Although it was not a mass-market success on the scale of the Walkman or PlayStation, AIBO became a powerful symbol of Sony’s willingness to experiment beyond conventional electronics categories. The launch reflected the company’s long-standing culture of engineering novelty and emotional design, showing that Sony aimed to create products that inspired fascination and attachment rather than serving purely functional purposes.

On December 3, 1994, Sony Computer Entertainment launched the original PlayStation in Japan, entering the home console market with a system that would reshape the video game industry. The console succeeded by appealing to both existing players and older audiences, emphasizing 3D graphics, strong developer support, and a broad software library. PlayStation quickly became one of Sony’s most important businesses and redefined the company’s public identity for a new generation. It also showed Sony could build powerful entertainment platforms, not just standalone devices.

In November 1989, Sony acquired Columbia Pictures Entertainment in the United States, making a dramatic entry into Hollywood. The deal expanded Sony’s content strategy from music into film and television, giving it a major studio with global production and distribution capabilities. Although the acquisition later drew scrutiny because of financial challenges and cultural clashes, it proved historically important by cementing Sony’s status as a hybrid technology-and-entertainment company. The purchase also laid the groundwork for the modern Sony Pictures Entertainment business.

In January 1988, Sony acquired CBS Records, significantly expanding its position in the global recorded music business. This purchase deepened the company’s move into entertainment and content ownership, advancing a strategic vision in which hardware and media could reinforce each other. Owning a major music company gave Sony valuable catalogs, artist relationships, and distribution channels. The acquisition also demonstrated that Sony was no longer simply an electronics manufacturer; it was becoming a diversified multinational active across technology, publishing, and entertainment industries.

In 1982, Sony launched the CDP-101, widely recognized as the world’s first commercial compact disc player. The product marked a decisive shift from analog to digital consumer audio and helped popularize the compact disc as a new standard for music playback. For Sony, the CD player showed the company’s ability to influence entire media ecosystems, not just individual devices. It strengthened Sony’s role in the digital audio revolution and set the stage for further innovations in portable and home entertainment systems during the 1980s and 1990s.

On July 1, 1979, Sony launched the Walkman TPS-L2 in Japan, creating one of the most iconic consumer electronics products of the twentieth century. The device transformed how people listened to music by making private, mobile listening practical and fashionable. More than a successful gadget, the Walkman changed social behavior, helped define personal audio culture, and became a landmark in industrial design and marketing. Its success reinforced Sony’s reputation for identifying new consumer habits and building products around them before rivals did.

In March 1968, Sony established CBS/Sony Records in Japan as a 50-50 joint venture with CBS of the United States. This was an important milestone because it expanded Sony beyond hardware into the content business, creating early links between recorded music and consumer electronics. The move foreshadowed Sony’s later strategy of combining devices, media libraries, and entertainment distribution within a single corporate group. It also laid the foundation for what would become Sony Music, one of the world’s major music companies.

In 1960, Sony created Sony Corporation of America, a crucial step in building a direct and durable presence in the United States. Rather than relying only on distributors, the company invested in its own American operations, enabling closer contact with retailers, consumers, and the broader market. This move strengthened Sony’s international strategy and helped it learn how to market Japanese electronics as premium lifestyle products, a model that later supported successes in audio, television, film, music, and gaming.

In January 1958, Tokyo Tsushin Kogyo changed its name to Sony, a major branding decision that reflected the company’s global ambitions. The shorter name was easier to pronounce internationally and helped the firm present itself as modern, cosmopolitan, and export-friendly during a period of rapid expansion. The renaming was more than cosmetic: it marked Sony’s evolution from a domestic Japanese manufacturer into a consumer brand with worldwide recognition, preparing the company for future growth in the United States, Europe, and beyond.

In August 1955, the company released the TR-55, widely recognized as Japan’s first transistor radio. The product represented Sony’s early mastery of miniaturized consumer electronics and showed how the firm could translate advanced component technology into mass-market devices. The radio also helped establish the Sony name in export markets and signaled a strategic shift toward compact, lifestyle-oriented electronics that ordinary consumers could carry and use in daily life rather than industrial or military equipment.

Sony began life on May 7, 1946, when Masaru Ibuka and Akio Morita established Tokyo Tsushin Kogyo Kabushiki Kaisha in Tokyo. Formed in the difficult conditions of postwar Japan, the company initially focused on telecommunications and electronics repair and development. Its founding became a defining moment in Japanese industrial history because the small startup would grow into one of the world’s most influential technology and entertainment groups, known for combining engineering, design, and consumer branding on a global scale.