Tadashi Masaoka

Sony Electronics, Inc. manufactures consumer electronics products. Its products include televisions and home theater, projector, blu-ray and DVD players, head phones, audio systems, digital voice recorders, cameras, mobile tablets and smart devices. The company was founded in 1950 and is headquartered in Park Ridge, NJ.

Guangzhou Delta Imaging Technology Co., Ltd. engages in the manufacture and sale of film and television recording equipment. Its business scope includes manufacture of electronic components and components, camera and equipment, and optoelectronic devices and other electronic devices; wholesale of electronic components and photographic equipment; technology research and development of electronics, communication, and automatic control; scientific and technological information consulting services; commodity information consulting services; information technology services; information technology advisory services; and sale of the company''s products. The company was founded on March 2, 2004 and is headquartered in Guangzhou, China.

Sony (China) Ltd. engages in the investment and development of electronic products. Its products include smart phones, gaming consoles, LCD television, Blue ray and DVD player, home audio and video system, mini stereo, MP3 and MP4 player, headsets, digital cameras, mobile hard disk, projectors, video security, batteries, and data storage media. The company was founded on October 11, 1996 and is headquartered in Beijing, China.

Privatech KK develops embedded software and modules. Its products include in-vehicle, audio middleware, and image processing software. It also offers technical support for camera sensors and semiconductors. The company was founded on February 20, 1987 and is headquartered in Tokyo, Japan.

Restar Castec KK engages in the sale and development of system equipment. The company was founded on November 13, 2019 and is headquartered in Tokyo, Japan.

Part of Restar Holdings Corp., Restar Communications Corp. is a solution provider of video, sound, and information and communication equipment. The company is based in Tokyo, Japan. Leicester Communications provides consistent quality services from consulting to system design, construction, and after-sales support. The Japanese company offers a wide range of equipment from 4k to HD and propose a distribution solution that meets customers' needs in the "total support" from planning, operation, equipment arrangements, and distribution. Leicester Communications has state-of-the-art video and data processing technology, and they provide the highest quality service consistently, from planning, design, construction, and operation support to maintenance and maintenance to use with confidence. Founded in 1967, the company has accumulated know-how on video, sound, and information communication for half a century.