| 1923-06 |
June 1923 (Taisho 12): Founder, Taisuke Tsugami, begins research on gauge blocks at Tokyo Honjo Ohira Town |
| 1923-06 |
Research of block gauge was initiated at Honjo Ohira-cho in Tokyo. |
| 1937-03 |
March 1937 (Showa 12): Established Tsugami Manufacturing Co., Ltd. in Nagaoka City, Niigata Prefecture. Started production of gauge blocks |
| 1937-03 |
Tsugami Manufacturing Co., Ltd. was established in Nagaoka, Niigata. Production of gauge blocks was started. |
| 1939-06 |
June 1939 (Showa 14): Started production of 'L-type screw cutting milling machine' T-TML500 and 'Hydraulic universal cylindrical grinder' T-UG300 |
| 1939-06 |
Production of L-type thread milling machine Model T-TML500 was started. Production of hydraulic universal cylindrical grinding machine Model T-UG300 was started. |
| 1942-10 |
October 1942 (Showa 17): Established Tsugami Precision Engineering Industry Co., Ltd. and built a factory in Saku City, Nagano Prefecture. Merged into this in February 1945 to form Shinshu Factory |
| 1942-10 |
Tsugami Precision Engineering Industry Co., Ltd. was established and the factory was constructed at Saku-shi. |
| 1945-02 |
Tsugami Precision Engineering Industry Co., Ltd. was merged in February 1945, and named Shinshu Plant. |
| 1946-05 |
Prohibition of machine tool production was announced. |
| 1946-06 |
June 1946 (Showa 21): Began production of grinders, gear hobbing machines, and lathes (Work Machine Manufacturing Ban issued) |
| 1946-06 |
Production of grinding machines, thread and form rolling machines, and sewing machines was started. |
| 1949-05 |
May 1949 (Showa 24): Listed on Tokyo, Osaka, and Niigata Stock Exchanges |
| 1949-05 |
Listed on Tokyo Stock Exchange, Osaka Securities Exchange, and Niigata Stock Exchange. |
| 1957-11 |
November 1957 (Showa 32): Manufactured and sold T-7 type 'Spindle Moving Automatic Lathe' |
| 1957-11 |
Production and sale of sliding headstock type automatic lathe T-7 was started. |
| 1968-04 |
April 1968 (Showa 43): Awarded the 14th Okouchi Memorial Production Award for research and development achievements in gear hobbing technology |
| 1968-04 |
The 14th Okochi Memorial Production Prize was awarded for excellent results in research and development of thread rolling technology. |
| 1970-11 |
November 1970 (Showa 45): Changed company name to Tsugami Corporation |
| 1970-11 |
Corporate name was changed to Tsugami Corporation. |
| 1972-10 |
October 1972 (Showa 47): Awarded the 2nd Oe Memorial Award for research and development of gear grinding machines |
| 1972-10 |
The 2nd Okoshi Memorial Prize was awarded for excellent result of research and development of gear grinding machine. |
| 1973-09 |
September 1973 (Showa 48): Completed 'Shovel Blade Type Automatic Lathe' VCL with Lead Turn Mechanism |
| 1973-09 |
Gang-tool type automatic lathe Model VCL installed with lead-turner function was completed. |
| 1978-06 |
June 1978 (Showa 53): Developed and launched CNC Multi-Function Automatic Lathe 'Mercury Series' |
| 1978-06 |
CNC composite automatic lathe Mercury series was developed and its sale was started. |
| 1982-03 |
March 1982 (Showa 57): CNC Precision Automatic Lathe PAN1 awarded the 12th Small and Medium Enterprise Automation Machine Development Award |
| 1982-03 |
CNC precision automatic lathe "PAN1" was awarded the 12th Automation Machinery Prize for small and medium-sized enterprises. |
| 1982-10 |
October 1982 (Showa 57): Changed company name to Tsugami Corporation |
| 1984-03 |
March 1984 (Showa 59): Machining Center MA3 wins the 14th Small and Medium Enterprise Automation Machine Development Award |
| 1984-03 |
Machining Center "MA3" was awarded the 14th Automation Machinery Prize for small and medium sized enterprises. |
| 1989-11 |
November 1989 (Heisei 1): Established TSUGAMI (THAI) CO., LTD. |
| 1989-11 |
TSUGAMI(THAI)CO.,LTD. was established. |
| 1992-07 |
July 1992 (Heisei 4): CNC Precision Automatic Lathe S20 Series awarded the 22nd Mechanical Engineering Design Award |
| 1992-07 |
CNC precision automatic lathe S20 series was awarded the 22nd Machine Design Award. |
| 1993-03 |
March 1993 (Heisei 5): CNC Automatic Lathe S20 Series awarded the 23rd Small and Medium Enterprise Automation Machine Development Award |
| 1993-03 |
CNC precision automatic lathe S20 series was awarded the 23rd Automation Machinery Prize for small and medium sized enterprises. |
| 1994-05 |
May 1994 (Heisei 6): Subsidiary Tsugami Precision Co., Ltd. obtained certification as a calibration service provider for gauge blocks under the Measurement Law Traceability System |
| 1994-05 |
Subsidiary Tsugami Precision Co., Ltd. obtained the authorization as authorized proofreading enterprise of block gauge on measuring method Traceability System. |
| 1999-01 |
January 1999 (Heisei 11): Shinshu Factory obtained ISO-9001 Quality Management System certification |
| 1999-01 |
Quality Control Management System ISO 9001 was awarded to Shinshu Factory. |
| 1999-02 |
February 1999 (Heisei 11): Nagaoka Factory obtained ISO-9001 Quality Management System certification |
| 1999-02 |
Quality Control Management System ISO 9001 was awarded to Nagaoka Factory. |
| 2000-10 |
October 2000 (Heisei 12): Assembly plant for automatic lathes completed at Nagaoka Factory |
| 2000-10 |
New plant to assemble automatic lathes in Nagaoka Factory was completed. |
| 2000-11 |
November 2000 (Heisei 12): Nagaoka Factory obtained ISO-14001 Environmental Management System certification |
| 2000-11 |
Environment Management System ISO 14001 was awarded to Nagaoka Factory. |
| 2001-07 |
July 2001 (Heisei 13): Grinding machine assembly plant completed at Nagaoka Factory |
| 2001-07 |
New plant to assemble grinding machines in Nagaoka Factory was completed. |
| 2003-09 |
September 2003 (Heisei 15): Tsugami Precision Machine Tool (Zhejiang) Co., Ltd. established |
| 2003-09 |
Precision Tsugami (China) Corporation was established. |
| 2005-11 |
November 2005 (Heisei 17): New factory buildings completed at Nagaoka and Shinshu factories |
| 2005-11 |
New plants to assemble machines in Nagaoka factory and Shinshu factory were completed. |
| 2007-11 |
November 2007 (Heisei 19): TSUGAMI GmbH established (now TSUGAMI EUROPE GmbH) |
| 2007-11 |
TSUGAMI GmbH was established.（currently TSUGAMI EUROPE GmbH） |
| 2010-02 |
February 2010 (Heisei 22): TSUGAMI KOREA CO., LTD. established |
| 2010-02 |
TSUGAMI KOREA CO., LTD. was established. |
| 2010-11 |
November 2010 (Heisei 22): Zhejiang Shinagawa Precision Machinery Co., Ltd. established |
| 2010-11 |
Shinagawa Precision Machinery (Zhejiang) Co., Ltd. was established. |
| 2011-04 |
April 2011 (Heisei 23): TSUGAMI PRECISION ENGINEERING INDIA PRIVATE LIMITED established |
| 2011-04 |
TSUGAMI PRECISION ENGINEERING INDIA PRIVATE LIMITED was established. |
| 2011-12 |
December 2011 (Heisei 23): Tsugami Precision Machine Tool (Zhejiang) obtained ISO-9001 and ISO-14001 certifications |
| 2011-12 |
Quality Control Management System ISO 9001 and Environment Management System ISO 14001 were awarded to Precision Tsugami (China) Corporation. |
| 2012-03 |
March 2012 (Heisei 24): TSUGAMI Universal Pte. Ltd. established |
| 2012-03 |
TSUGAMI Universal Pte. Ltd. was established. |
| 2013-07 |
July 2013 (Heisei 25): Tsugami Precision Machine Tool (China) established |
| 2013-07 |
Precision Tsugami (China) Corporation Limited was established. |
| 2013-09 |
September 2013 (Heisei 25): Tsugami Precision Machine Tool (Hong Kong) established |
| 2013-09 |
Precision Tsugami (Hong Kong) Limited was established. |
| 2017-09 |
September 2017 (Heisei 29): Tsugami Precision Machine Tool (China) listed on Hong Kong Stock Exchange Main Board |
| 2017-09 |
Precision Tsugami (China) Corporation Limited was listed on the Main Board of The Stock Exchange of Hong Kong Limited. |
| 2018-04 |
April 2018 (Heisei 30): Anhui Tsugami Precision Machine Tool Co., Ltd. established |
| 2018-04 |
Precision Tsugami (Anhui) Corporation was established. |
| 2021-10 |
October 2021 (Reiwa 3): Nakatsu Precision Machine Tool (Zhejiang) established |
| 2021-10 |
Precision Nakatsu (China) Corporation was established. |
| 2022-04 |
April 2022 (Reiwa 4): Transitioned from Tokyo Stock Exchange First Section to Prime Market |
| 2022-04 |
Transferred from the First Section to the Prime Market of the Tokyo Stock Exchange following a review of the market classification. |
| 2023-07 |
July 2023 (Reiwa 5): Establishment of Tsugami Universal Sdn. Bhd. |
| 2023-07 |
TSUGAMI UNIVERSAL SDN.BHD. was established. |
| 2023-10 |
October 2023 (Reiwa 5): Establishment of Tsugami Vietnam Company Limited |
| 2023-10 |
TSUGAMI VIETNAM COMPANY LIMITED was established. |
| 2024-04 |
April 2024 (Reiwa 6): Operation of the foundry plant of Tsugami Precision Engineering India Private Limited |
| 2024-04 |
Foundry in TSUGAMI PRECISION ENGINEERING INDIA PRIVATE LIMITED began operating. |
| 2024-10 |
October 2024 (Reiwa 6): Tsugami Precision Machine Tool (Zhejiang) Co., Ltd. absorbed and merged into Nakatsu Precision Machine Tool (Zhejiang) Co., Ltd. |
| 2024-10 |
Precision Tsugami (China) Corporation merged with and absorbed Precision Nakatsu (China) Corporation. |
| 2025-12 |
December 2025 (Reiwa 7): Completion of new factory of Tsugami Precision Engineering India Private Limited |
| 2025-12 |
New plant in TSUGAMI PRECISION ENGINEERING INDIA PRIVATE LIMITED was completed. |
