Company Information
| October, 1973 | Establish HKS Co., Ltd. with a capital of JPY 12,000,000 for developing engines or engine parts for a race and producing or sales. |
|---|---|
| July, 1974 | Release Turbocharger. |
| January, 1981 | Release 4-valve engine (named Fuji) for an auto-race. |
| June, 1981 | Separate and independent the sales section and establish the HKS Co., Ltd. (later becomes HKS Sales Co., Ltd). |
| March, 1982 | Start development of Electronic Control device. |
| January, 1984 | Start development of Electronic Control device. |
| April, 1984 | 4-cylinder, DOHC 2.3L engine (134E) successfully developed. |
| April, 1985 | Completion of the new office building. (Present Fujinomiya factory). |
| March, 1986 | Establish HKS Hokkaido Service Co., Ltd. |
| September, 1986 | Develop 4-cylinder DOHC 2.0L, 5-valve engine (186E). Participated in GC race. |
| October, 1988 | Release 2-cylinder DOHC engine (200E) for an auto race. |
| January, 1992 | Develop V12, 3.5L, 5-valve engine (300E) for a race. |
| June, 1994 | Start production of coil springs. |
| March, 1996 | Establish HKS EUROPE LIMITED (Present Consolidated subsidiary) as the sales site in Europe. |
| September, 1996 | Merge into HKS Sales Co., Ltd, and corporation name changed to HKS Co., Ltd. Release Horizontally-opposed 4-cycle, 2-cylinder engine for ultralight planes (A700E). |
| June, 1999 | Over-the-counter registration of shares with the Japan Securities Dealers Association. |
| August, 1999 | Newly establish the R&D facility (Head office) in Kitayama, Fujinomiya city, Shizuoka. |
| May, 2000 | Acquisition of shares in NISSEI KOGYO Co., Ltd. (Present Consolidated subsidiary). |
| June, 2001 | Establish HKS-IT Co., Ltd. (Present Consolidated subsidiary) for the investments to HKS (Thailand) Co., Ltd. (Present Consolidated subsidiary). Establish HKS (Thailand) Co., Ltd. as the sales site in South East Asian countries. |
| February, 2003 | Establish HKS Technical Factory Co., Ltd. (Present Consolidated subsidiary). |
| December, 2004 | Cancellation of listing on Japan Securities Dealers Association and listed on Jasdaq Securities Exchange, Inc. |
| November, 2006 | Release GT Supercharger that employs torque sensing type traction drive method. |
| July, 2008 | Release Bi-fuel conversion kit that enables fuel changeover between gasoline and CNG (Compressed Natural Gas). |
| April, 2010 | Release independently designed Ball Bearing Turbo GT II Turbine. |
| October, 2010 | Listed on the Osaka Securities Exchange JASDAQ (Standard) due to the integration of former JASDAQ, Nippon New Market Hercules, and NEO. |
| March, 2011 | Start the business of modifying the diesel truck engine to the natural gas specifications in Thailand. |
| September, 2012 | Establishment of HKS (SHANGHAI) TRADING CO., LTD (Present name: HKS（SHANGHAI）AUTOMOTIVE TECHNOLOGY CO., LTD, Present consolidated subsidiary) in China as a base of sales in China. |
| July, 2013 | Listed on the Tokyo Stock Exchange JASDAQ (Standard) due to Osaka Securities Exchange integrated into Tokyo Stock Exchange. |
| January, 2017 | Establish HKS USA, INC. (Present consolidated subsidiary) in the U.S.A. |
| March, 2017 | HKS-IT Co.,Ltd. (Present consolidated subsidiary) built a factory in Samutprakan, Thailand. |
| May, 2018 | Nissei Kogyo Co. (Present consolidated subsidiary) built a factory in Misato-cho, Kodama-gun, Saitama. Relocated the head office from Ota-ku, Tokyo to Misato-cho, Kodama gun, Saitama. |
| April, 2019 | Built an experiment building at the main factory in KITAYAMA, FUJINOMIYA in SHIZUOKA. |
| May, 2019 | Established a branch of HKS (Shanghai) Trading Co., Ltd. (Current name: HKS (Shanghai) Automobile Technology Co., Ltd. (currently a consolidated subsidiary)) in Guangzhou, China. |
| April, 2020 | Establishment of an R&D section in HKS (Thailand) Co., Ltd. |
| January, 2022 | HKS (Shanghai) Trading Co., Ltd. renamed HKS (Shanghai) Automobile Technology Co., Ltd. (currently a consolidated subsidiary). |
| April, 2022 | Transition to a Standard market from the Tokyo Securities Exchange, JASDAQ (Standard) because of reviewing the market segment by the Tokyo Stock Exchange, Inc. |
| August, 2022 | Relocation of HKS (Shanghai) Automobile Technology Co., Ltd. (currently a consolidated subsidiary)) Shanghai head office to the new location in Shanghai to enhance the development to the local vehicle. |
| November, 2022 | We have begun a delivery demonstration experiment using a small EV truck with a replaceable battery that was publicly solicited and adopted by the Ministry of the Environment together with four jointly participating companies. |
| December, 2022 | HKS-IT Co., Ltd. (currently a consolidated subsidiary) expands its factory. |
| March, 2023 | We have launched MAMORU, a security monitoring device for courtesy buses certified by the Ministry of Land, Infrastructure, Transport and Tourism. It utilizes in-vehicle IoT technology to ensure safety when getting on/off the courtesy buses from children and to prevent children from getting left behind the buses. |
| July 2024 | An absorption-type merger was carried out with HKS-IT Co., Ltd. (currently a consolidated subsidiary) as the acquiring company and HKS (Thailand) Co., Ltd. as the dissolved entity. |
| January 2024 | Launch of "THE HKS", a project to sell in-house customized vehicles. |