We are pleased to announce that our company name will be changed as follows, effective April 1, 2025. Taking this opportunity, as a group company of YAC Holdings Co., Ltd. (*listed on the Tokyo Stock Exchange Prime Market), we will make every effort to further develop our business and meet your expectations. Please note that there will be no changes to our shareholders, company structure and personnel. We sincerely appreciate your continued support and partnership, and we look forward to maintaining our strong relationship in the future. This letter serves as a formal announcement of this change.

Company Name Change
・New Company Name:TechnoOptis Co., Ltd.
・Former Company Name:Topcon Technohouse Corporation
*Effective Date: April 1,2025
※ Our company’s address, telephone, and fax numbers will remain unchanged.
※ Employee email addresses are expected to change after the company name change, but the exact timing has not been determined. Until the change takes effect, please continue using the existing email addresses.