Notice of Temporary Closure Due to In-House Training

Thank you for your continued support.

Please be advised that our office in Japan will be temporarily closed for employee training on the following date:

Closure Date: Friday, October 23, 2026

We will continue to accept inquiries by email during the closure. We will respond to these inquiries in the order received starting Monday, October 26, 2026.

We apologize for any inconvenience and appreciate your understanding.

Katsura Opto Systems Co., Ltd.