Company profile｜from speaker development and design, to manufacturing

Corporate philosophy

We shall always act in good faith, and contribute to society through technology.

Management policy

Value friendliness and diligence, and aim for the flourishing of both labor and management.
Create first-rate products by striving to be original.
Contribute to society through trustworthy, responsible production.

Company profile

Representative	Director and President: Koji Kokubo
Established	March 28, 1962 (Founded October 1947)
Capitalization	¥10 million
Banks	Saitama Resona Bank, Urawa Chuo Branch Saitama Resona Bank, Yono Branch Saitama Shinkin Bank, Daito Branch
Trademark
Business description	● Speaker-related parts Aluminum, titanium, magnesium, and resin caps Aluminum, titanium, magnesium, and resin diaphragms Diaphragm, voice coil assembly
	● Units Design, development, and manufacturing of various speakers Car speakers Audio speakers TV speakers Various units
Bases of activities	Head Office: 945-2 Nakao, Midori-ku, Saitama-shi, Saitama　　　 Development Center: 298-4 Natori, Kai-shi, Yamanashi
Access to Head Office	From JR Urawa Station, ride the Kokusai Kogyo Bus at the East Exit, and get off at Midori Kuyakusho Iriguchi (about a 15-minute ride). The Head Office is about a five-minute walk from Midori Kuyakusho Iriguchi. Click here for the walking route Click here for the bus timetable from Urawa Station
Main business partners	ACAR Co., Ltd. ALPS ALPINE CO., LTD. ASHIDA SOUND CO., LTD. AUDIO NOTE CO., LTD. Asia Alumi Co., Ltd. Bright Tone Co., Ltd. DATA TARGET INTERNATIONAL LIMITED DDELTA Co., Ltd. DREAM CREATION Co., Ltd. E:S Corporation EKLOW SCANDINAVIA LTD. JAPAN ERBIS ENGINEERING CO., LTD. Foster Electric Company Limited GEMMY ELECTRONICS CO.,LTD Goto Denshi Co., Ltd. J&M CORPORATION Japan Mantai Sangyo Corp. K Technology Corporation KITANIHON ONKYO CO., LTD. Miki Development Co., Ltd. Mitsubishi Pencil Company Ltd. Mogami Electric Inc. NGK INSULATORS, LTD. Panasonic Corporation S-Tec Japan Co., Ltd. SOUTHERN ACOUSTICS Co., Ltd. Sony Corporation Sound Suspension TOKYO CONE PAPER MFG. CO., LTD. Tohoku Pioneer Corporation Traum Inc. Victor Company of Japan, Ltd.

Company background

1940～ October 1947	Our founder, Sukeji Kokubo, began speaker repair under the name Yono Dynamic Kenkyujo in Yono City, Saitama Prefecture (currently Chuo Ward, Saitama City) Put up sign as Saitama general agent of Fukuyo Onkyo (Coral)
1960～ March 1962 March 1963 July 1966	Our founder, Sukeji Kokubo, established Royal Sangyo Co., Ltd Opened Head Office Factory in Urawa, relocating from Yono City, Saitama Prefecture (currently Chuo Ward, Saitama City) Capitalization increased to ¥1.5 million
1970～ February 1971 March 1974 February 1976 August 1979	Capitalization increased to ¥2.5 million; factory expanded Second generation, Kiyoshi Kokubo, appointed President Formulated 3-year plan and established educational system for employees Expanded Die Department
1980～ October 1980 October 1981 October 1983	Increased capitalization to ¥5 million, built new factory, and relocated Head Office to inside of factory Expanded factory Expanded factory
1990～ March 1990 March 1995	Expanded factory Increased capitalization to ¥10 million
2000～ February 2000 April 2006 April 2006 October 2009	Established owned enterprise in Shanghai, China (Shanghai Fue Ou Electronics Co.) Capitalization: US$ 200,000 Launched No. 2 Division (unit business) as Kofu Development Center in Kai City, Yamanashi Prefecture Acquired certification of conformity with EHS auditing standards established by the Pioneer Group Acquired Green Partner status under Environmental Quality Certification Program of Sony Corporation
2010～ May 2011 February 2014 February 2014 March 2014 November 2017	Third generation, Koji Kokubo, appointed as President; Kiyoshi Kokubo appointed Chairman Closed Shanghai Fue Ou Electronics Co., centralized part manufacturing base at Head Office Factory only Registered trademark for "DEER" field coil speakers (No. 5650165) Marketed field coil speaker Marketed car speaker

Organization chart

Environmental management


Sony Green Partner Royal Sangyo has been certified as a Green Partner based on the "Green Partner Environmental Quality Certification Program," part of Sony Corporation's efforts to protect the environment.	Pioneer EHS We have been certified, by the Quality Control Department of Pioneer Corporation, as conforming to the EHS (Environmental Hazardous Substance) auditing standards established by the Pioneer Group.