| 1921 |
Jiro Hamai founded HAMAI Manufacturing Works, a private company. |
| 1936 |
Successfully produced a prototype High Precision Gear Hobbing Machine. |
| 1938 |
HAMAI Machine and Tool Mfg. Works. Ltd. was established. |
| 1946 |
Corporate name was changed to HAMAI CO.,LTD. |
| 1952 |
Started production of Gear Testing Machines. |
| 1954 |
Started production of Flat Lapping Machines. |
| 1957 |
Started production of precision gears on Swiss Reishauer Gear Grinders. |
| 1963 |
Was listed on the Tokyo Stock Exchange Second Section.
Osaka Branch Office was opened. |
| 1964 |
Started production of Full Automatic High Precision Gear Hobbing Machines Models: 130A and 40A |
| 1965 |
Joined the Japan Machine Tool Builders Dai-ichi Group (JMD). |
| 1969 |
Completed first phase of Ashikaga manufacturing facility plant project. .
Started production of Production Milling Machines under license agreement with Hitachi Seiki Co., Ltd. |
| 1971 |
Completed second phase of Ashikaga manufacturing facility plant project.
Started production of Boring and Milling Machines under license agreement with Butler, England. |
| 1976 |
Started production of the SP series High Speed High Power Hobbing Machines.
Started production of the MC series Vertical Machining Centers. |
| 1978 |
Started production of the MAC series Ram type Milling Machines. |
| 1980 |
Started OEM production for P&W, USA. Completed second phase of Ashikaga manufacturing facility plant project. |
| 1982 |
Started production of Vertical Machining Centers 3VA, 5VA, and NC Copy Milling Machines. |
| 1983 |
Started production of Horizontal Machining Centers Model: 3HA. |
| 1984 |
Opened Kitakanto Branch Office.
Started production of Flat Lapping Machines Model 18BF. |
| 1989 |
Concluded a technical license agreement on Gear Hobbing Machines with LIEBHERR, Germany. |
| 1993 |
Started production of Flat Lapping Machines Models 22BF, 24BF, and 28BF. |
| 1994 |
Started production of Flat Lapping Machines Models 16BF, and 32BF. |
| 1998 |
Started production of Polishing Machines for 16" wafers (Delivered to SSI).
Started production of Single-sided Polishing Machines Model HS-360. |
| 1999 |
Started production of CNC Hobbing Machines Model N60.
Started production of Ultra-Precision Flat Lapping Machine Model 16BN. |
| 2000 |
Started production of Ultra-Precision Flat Lapping Machines Models 24BN and 32BN.
Started production of Single-Side Lapping Machine Models HS470/630/840..
Obtained ISO9001 certification(Lloyd's, JAB, UKAS) |
| 2003 |
Started production of Ultra Precision Lapping and Polishing Machine 46BN |
| 2005 |
Started production of CNC Hobbing Machine N80 |
| 2006 |
Established Hamai Engineering Co., Ltd., a non-consolidated subsidiary for
maintenance services.
Started production of CNC Hobbing Machine N40 |
| 2009 |
Concluded a sales agreement on hobbing cutters with Schnyder SA, Switzerland |
| 2010 |
Started production of Single-Side Polishing Machine HS-1200 |
| 2012 |
Established Hamai Machine Technos (Shanghai) Co., Ltd. |
| 2020 |
Introduced on a book, “The Companies with a Long History in Tokyo.” |
