Corporate Information

December
Nippon Roki K.K. (meaning Japan Filter Co., Ltd.) was founded in Sanno, Ota-ku, Tokyo. While selling hydraulic filters, the company started developing the filter cartridge for magnetic painting (complex depth filter cartridge), which was regarded difficult to develop with technologies available at the time.

January
Completed the development of the filter cartridge for magnetic painting using the high classifying technology. It was first adopted by most Japanese magnetic tape manufacturers. It was then adopted by major magnetic tape manufacturers in Korea, Germany, the U.S., etc. It finally dominated the world market in a short period of time and became the resource of the company’s growth.

February
Newly established the Hokuriku Works in Naka-Niikawa-Gun, Toyama Pref., and built a production system for depth filter cartridge of string wound type covering the total process from raw materials to final products.

We began developing our own capsule type filter and proposed to magnetic tape manufacturer.

June
Established the Kyushu Business Division in Kurume City, Fukuoka Pref.

February
Built a mass production plant of the high precision filter cartridge at the address above, with a clean room constructed for the first time in Japan. At the same time, the Kyushu Business Division was reorganized as the Kurume plant, where the company fully started the shipment of the filter cartridge of surface type for the medical and chemical industry in the U.S.

Began developing a 7-set capsule type filter, start production and sales

December
Expanded the Hokuriku Works as a mass production factory of the filter cartridge of capsule type.

February
Constructed the Yame Plant in Yame-Gun, Fukuoka Pref. to fully start the production of the depth filter cartridge of winding type (non-woven fabric winding type).

November
First booth at an exhibition (Chemical Plant Show)

December
The company changed its trade name to the current ROKI TECHNO Co., Ltd.

February
The company registered itself as an over-the-counter company at the Japan Securities Dealers Association, and listed its shares at JASDAQ stock exchange.

August
The Yame Plant was certified for ISO9002, the international standard of the quality management system.

November
Established Shin-Nippon Ozone K.K. (then changed its trademark to ROKIENGI Co., Ltd.) as a subsidiary.

August
Consolidated the Kurume plant into the Yame Plant.

November
The Hokuriku Works was certified for ISO14001, the international standard of the environmental system.

May
The Yame Plant was certified for ISO9001: 2000, the international standard of the quality management system.

October
Established the Kyushu Sales Office to strengthen the sales in Kyushu area.

November
Opened a liaison office in Shanghai to strengthen the sales in Asian territory.

February
The company started to reform its management with MEBO, calling the year “the second foundation year”.

July
Since a complete parent company was established with MEBO, the company was delisted from the JASDAQ stock exchange.

August
Field research was started in the U.S. to strengthen the sales there.

February
Obtained the license of the piping construction (Tokyo municipal government) for the water supply pipe washing business.

May
The company was awarded the Selete Award 2005 by Semiconductor Leading Edge Technologies (SELETE) for its support of the next generation semiconductor development. The title of the development for which the award was given was “Development of Conductive Pad for Copper Electrolysis Grinding”.

April
Annexed the subsidiary, ROKI ENGI Co., Ltd.

The Hokuriku Works was elected as one of the “300 middle-scale companies which are active in manufacturing” by the Ministry of Economy, Trade and Industry.

July
Completed a training facility and recreation center "Karuizawa study center" in Karuizawa-machi, Nagano Prefecture

September
Expanded the Yame Plant for the second time in order to further promote the clean project.

May
Expanded the Yame Plant to establish the production system in a mid-and long term perspective and aggressively introduced energy-saving equipment as an environment-friendly plant. With the expansion, the plant changed its name to Kyushu Works.

July
Audit and registering with the international standard ISO 14001 of the environmental management system through company wide integration

Established a subsidiary company, ROKITECHNO SINGAPORE PTE.LTD. in Singapore.

April
Established a subsidiary company, ROKI S&S Malaysia Sdn. Bhd. in Malaysia Johor.

June
Renamed ROKI GROUP INTERNATIONAL PTE. LTD. from ROKITECHNO SINGAPORE PTE. LTD..

January
Established ROKI GROUP HOLDINGS CO., LTD. and built a holding system.

December
Company name of ROKI M&S Malaysia was changed from ROKI S&S Malaysia and ROKI M&S Malaysia starts as a production base as well.

April
Established Yokohama Monozukuri Center in Kanagawa.

July
Established a subsidiary wholly owned by ROKI GROUP International Pte. Ltd., ROKI S&S America, Inc. in Torrance, California, USA for business expansion and sales reinforcement in the Americas.

December
Renamed ROKI GROUP CO., LTD. from ROKI GROUP HOLDINGS CO., LTD.

May
Established a sales office of ROKI M&S Malaysia Sdn. Bhd. in Kuala Lumpur, Malaysia, for further business expansion in Malaysia.

March
The Hokuriku Works was certified for ISO 9001:2008, the international standard of quality management system.

October
Renamed ROKI S&S Korea Co., Ltd. from ROKI TECHNO Korea Co., Ltd. At the same time, changed a ROKITECHNO Co., Ltd. 100% owned subsidiary to a ROKI GROUP International Pte. Ltd. 100% owned subsidiary.

January
Reorganized sales offices and expanded to five (5) locations of Tokyo, Toyama, Nagoya, Kobe, and Fukuoka Sales Office.

October
ROKI TECHNO CO., LTD, established a new company "ROKI TECHNO MARKETING CO., LTD." by company split which is responsible for sales of products in Japan.
And ROKI M&S Malaysia Sdn. Bhd., changed its name to ROKI S&S Malaysia Sdn. Bhd.

May
Acquired 100% of issued shares of TROIKA K.K.(Currently the TROIKA JAPAN Co., Ltd.) that became a subsidiary of ROKI GROUP CO.,LTD.

September
ROKI GROUP, ROKI TECHNO, and ROKI TECHNO MARKETING obtained the integrated certification of ISO 9001:2015, the international standard of quality management system.

October
Established ROKI S&S Korea Sales Office in Busan.

February
Established a new office of ROKI GROUP in Mita. ROKITECHNO MARKETING Tokyo Sales Office and TROIKA JAPAN moved to ROKIGROUP Mita Office.

February
The Hokuriku Works, the third production base in Japan, was newly established in Namerikawa City, Toyama.
The Kyushu Plant was renamed the Kyushu Works.

March
Renamed ROKI S&S Americas,Inc. from ROKI S&S America,Inc. and moved.

May
Started manufacturing and sales of high-performance non-woven mask "IKORMASK" for general consumers.

October
ROKITECHNO MARKETING CO., LTD. merged with TROIKA JAPAN CO., LTD. as a business restructuring within the group.

October
The Tokyo Sales Office, Toyama Sales Office and Nagoya Sales Office moved to their new addresses.

February
Establishment of Osaka Branch Office of ROKI GROUP CO., LTD. in Osaka City, Osaka Prefecture.
Kobe Sales Office moved to the Osaka Branch Office and changed its name to Osaka Sales Office.

February
ROKI TECHNO MARKETING CO., LTD. establishes Kagoshima Sales Office in Kagoshima City, Kagoshima Prefecture.

March
Yokohama Monozukuri Center relocates and changes its name to Ota Monozukuri Center.