| Sept. 2001 |
Established Top Seiko Co., Ltd. |
| March 2002 |
Constructed a new plant in Otsumicho, Nagahama City, Shiga Prefecture |
| June 2004 |
Extended the company building |
| Sept. 2005 |
Started to acquire ISO 9001 certificate |
| Aug. 2006 |
Extended a new company building. |
| Aug. 2006 |
Company acquired ISO 9001:2000 / JISQ 9001: 2000 certification. |
| Oct. 2008 |
Constructed and moved to the headquarters plant in Hosoecho, Nagahama City |
| Mar. 2012 |
Selected for government subsidy program for innovative company |
| Sept. 2012 |
Completed above procedural |
| June 2013 |
Exhibited for the first time at the 17th Mechanical Components and Materials Technology Expo |
| May 2015 |
Appeared on NHK TV’s “Chozetsu Sugo Waza!(Super Amazing Techniques!)” |
| April 2017 |
Head office plant expansion (floor area: approx. 3,000 ㎡) |
| Dec. 2018 |
Exhibited for the first time at the 3rd Advanced Ceramics Expo (Makuhari Messe) |
| Sept. 2021 |
Expansion of head office and factory (2-story building with a total floor area of 2,500 ㎡) |
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