Y.A.C. Co., Ltd. was established at Akishima, Tokyo with a capital of 2.1 million yen.

Penetrated into industrial package business and started to sell packaging equipment to food industry and cleaning industry.

Corporate head quarter moves to Tachikawa City, Tokyo

Builds Akishima factory at Akishima-Shi, Tokyo.

Penetrated into semiconductor business.

Built a headquarter factory at Akishima.

Developed and started to sell POS system for liquor store

Started magnetic memory disk business.

Corporate main factory extends floors

Opens California Representative Office at Santa Clara, California

Builds Technical Center at Akishima City, Tokyo

Started to traded on counter of Japan  Securities Dealers Association (present “JQ”)

Established YAC Systems Singapore Pte. Ltd. at Singapore with a capital of S$300 thousand.

Builds the 2nd Akishima Factory

Merged with Plasma System co., Ltd.

Purchases industrial laundry equipment business from Fuji car Mfg group

Acquires and consolidates Yoshimura Machinery Co., Ltd and changes the corporate name to YAC Niigata Machinery Co., Ltd.

Listed on TSE2.

Listed on TSE1

Purchases Photo Voltaic business from S.E.S. Co., Ltd.

Establishes subsidiary in Korea.

Established YAC (Shanghai) International Trade  Co., Ltd. in Shanghai, P.R.C. .

Acquired and consolidated Denko Co., Ltd. and changed name into YAC Denko Co., Ltd.

DENKO Co., Ltd. changes corporate name to YAC DENKO Co., Ltd.

Acquired and consolidated Kokusai Dennetsu Co., Ltd and changed name into YAC Kokusai Dennetsu Co., Ltd.

Acquired and consolidated Ohkura Electric Co., Ltd.

Established YAC Dastech Co., Ltd.

Acquired and consolidated Pheton Co., Ltd. and changed name into YAC Pheton Co., Ltd.

Established Shaoxing Weiaixin Electronic Equipment Co.,Ltd.

Acquired and consolidated Nihon Garter Co., Ltd.

Established T.Y.A.C.CORP.

Merged with YAC Phoeton Co., Ltd.

Acquired and consolidated Miyuki Elecs Co., Ltd.

Acquired ion beam application equipment manufacturing business from Hitachi Ibaraki Technical Service Ltd.

Transition to holding company system and changed name to Y.A.C. HOLDINGS CO., LTD.

Built Fuji factory at Minamitsuru-Gun, Yamanashi.

Started Business Unit system by dividing 13 consolidated companies into 4 business field.

Acquired shares of Daiichi Co., Ltd. (Sayama, Saitama) and made it a consolidated subsidiary.

YAC Garter Co., Ltd. (surviving company) merged with Daiichi Co., Ltd. (disappearing company).

Terminated business unit system.