| 1990 | Yield Co., Ltd. started by supplying the Asian Market with Video Microscope. |
| 1991 | Yield Co., Ltd., expanded its products list to include Optical Fiber Illuminators, CCD Cameras in the Industrial Field and Measuring Devices. |
| 1992 | Yield Co.,Ltd. obtained exclusive distributing right for Microscope Illuminators. Later, Yield Co., Ltd. obtained exclusive agent right for Optical Fibers and Illuminators form U.S.A. |
| 1994 | Yield Co., Ltd. added another product to its list : The Measuring Microscope, Medical equipment and Video microscopes for the cosmic field. |
| 1995 | Yield Co., Ltd. began supplying cleanroom products and Office furniture. |
| 1996 | Yield Co., Ltd. opened the Manila Representative Office. Yield Co., Ltd. began supplying ESD (Electro Static Discharge) products. |
| 1997 | Yield Co., Ltd. obtained non-exclusive agent rights for Nikon Measuring Microscope in the Philippines. |
| 2007 | Yield Co., Ltd. opened the Ho Chi Minh representative office. |