| October 1964 | Establish metal press processing factory at 487-3, Nenarigaki Yamatotakada-Shi, Nara, Japan. |
|---|---|
| October 1969 | Relocate the factory to 494 Nenarigaki, Yamatotakada-Shi due to expansion of business. |
| May 1972 | Start die manufacturing and sales by installing metal press die manufacturing facilities. |
| April 1974 | Awarded the Director-General of Science and Technology Agency for development of Full-automated manufacturing line for specialized bolt. |
| January 1981 | Start manufacturing parts with cold forging process by the introduction of bolt forming machine. |
| November 1984 | Develop and start mass production parts processed with cold forging process for automobiles. |
| July 1987 | To enhance productivity for automobiles components production, introduced German made 5-step forming machine and local made 4-step forming machine. Data processing capability is greatly improved to reinforce QC facilities. |
| November 1989 | Relocation of the office. Computer and optical filing equipment are introduced for total manufacturing system management. Improve networks among related companies to enhance mass production system. |
| June 1991 | A new factory is completed and operation is initiated. Enhance the development section for cold forging of special shaped parts and pursue the marhining accuracy of finishing. |
| February 1992 | Incorporated and renamed the company name Iidzka Seisakusho Co.,Ltd.. Paid-in capital 10 million yen. |
| April 1999 | Award from Nara prefecture for small and medium enterprises Creative Business Promotion Law is granted. |
| August 1999 | Accredited as a Creative Venture Business by Nara Prefecture SEM support center and receive 20Million yen of bonds from SBIC. Introduce 630tons press for technical research. |
| December 1999 | Shinjo factory is completed at Shinjo-cho, Kitakatsuragigun,Nara. |
| August 2000 | Capital fund is increased to 20Million yen. |
| October 2001 | Received ISO9001 "Quality Corporate Management System" certificate. |
| July 2002 | Decide to establish a new factory in Hari in Nara under authorization from Nam Prefecture regarding the change in the period covered by SEM Creative Business Promotion Law. |
| May 2003 | Hari factory is completed in Tugebaba-cho, Nara-city. |
| January 2004 | Received ISO14001 "Environmental Corporate Management System" certificate. |
| February 2006 | The second phase in Hari is completed. |
| March 2006 | Swiss made No.1 rotary transfer machine is introduced in Han factory. |
| October 2006 | Swiss made No.2 rotary transfer machine is introduced in Han factory. |
| June 2007 | Awarded as "One of the best 300 energetic manufacturing small and medium-sized companies by Ministry of Economy, Trade and Industry ,Small and Medium Enterprise Agency. |
| December 2007 | The third phase in Hari factory is completed. |
| March 2008 | Swiss made No. 3 rotary transfer machine is introduced in Hari factory. |
| November 2009 | Decide to establish new factory in Aira-city, Kagoshima in order to enhance R&D. (Starting operation in 2012) |
| December 2010 | Certified ISO/TS16949 Automotive Quality Management System. |
| October 2011 | Kagoshima factory operation started. |
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