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| 1906 |
Established Sugita Harikikai Shop and started supplying glass products for science and medical industries as a sholesaler by Tohtaro Sugita. |
| 1915 |
As a first company in optical industry, started exporting scientific and glass products to USA and Europe. |
| 1930 |
Rename to Sugitoh Optical Glass Mfg., Co. |
| 1939 |
Started production at Kamata Factory for supplying reticules, levels bubbles and other potical parts. |
| 1944 |
Re-organized company and started selling special lensed, levels for aircraft, clinometer, and marine compass, etc. for military industry. |
| 1945 |
Kamata factory was burned out due to WWII. After ending WWII , company restarted to produce and sell consumer products such as glass-craft necklaces, broaches etc. |
| 1950 |
Started in first in the industry to manufacture front surface mirror or Twin Reflex Camera. |
| 1966 |
Moved the main offece to Uchikanda, Chiyoda-ku, Tokyo and opened the Kanda factory to produce levels, absorbing cells, etc. |
| 1968 |
Founder, Tohtaro Sugita passed away. |
| 1973 |
Started suplying Corner Cube Prism and other optical parts and units for analyzer. |
| 1974 |
Renew the company name to SUGITOH OPTICS Co.,LTD. |
| 1976 |
Started supplying Video Camera and related products |
| 1977 |
Moved to present location (Sumida-ku, Tokyo). |
| 1982 |
Change the company name to SUGITOH CO.,LTD., and increase the capital to 15,000,000YEN. |
| 1983 |
Started manufacturing and selling Pocket Micrometer, Microscope and various inspection instruments incruding Dust Tester, Distortion Tester, and others. |
| 1985 |
Producing and selling the Focal Length Meter. |
| 1987 |
Started supplying Optical Lens Kit. |
| 1988 |
Started selling Holder Kit and C-mount Bench. |
| 1991 |
Opened Osaka Br. office. |
| 1992 |
Opened Fukushima Distribution Center. |
| 1993 |
Started production and supplying Zoom Lens System. Thai factory started the production on lapping, centering plane polishing section. |
| 1995 | Started production and supplying accessories for image processing. |
| 1996 |
Started production and supplying Large XY Stage. Polishing Section of Thai Factory is started it's production. |
| 1997 |
Large Micrometer 5X are started its production and supplying. SUGITOH OPTICAL (THAILAND) LTD is estableshed. |
| 1998 |
Developed Micrometer scope with built-in-lamp (20x, 50x, 100x, and 200) and started production and supplying. |
| 1999 |
Developed Microscope with LED and started production and supplying. |
| 2004 |
Developed High Magnification 8x macro zoom lens and started production and supplying. |
| 2006 |
Developed High Magnification APO MPLAN Microscope lens and started production and supplying. |
| 2007 |
Fujisawa Office was opened. (Purchasing Dept., QA Dept., and Inventory
Control & Shipping Section) |
| 2015 |
Coating facility was installed in SUGITOH OPTICAL (THAILAND) LTD. |
