Notice of Participation in the Saitama Business Arena 2023 from February 8 (Wednesday) to February 9 (Thursday), 2023.

Lightweight and compact portable silver ion water production device! Capable of producing silver ion water with exceptional safety, sustainability, and effectiveness at a rate of 5 liters per 5 minutes.

"Ag+ Rescue" is a device that produces silver ion water with antibacterial and antifungal effects against general bacteria. Sterilization with silver ions (Ag+) is particularly excellent in safety, sustainability, and effectiveness, and it can typically eliminate E. coli and other bacteria at a concentration of 0.1 PPM. This product has the capability to produce 5 liters of silver ion water at a concentration of 2 PPM in just 5 minutes, and it is also a lightweight and compact portable type for easy transport. It is effective in various facilities such as hospitals, nursing homes, schools, theaters, hotels, and large commercial establishments, and it is expected to be useful for sterilizing drinking water from wells during disasters, preventing mold in humid areas, and eliminating ammonia odors from feces and urine. [Applications] - Sterilization of drinking water drawn from wells during disasters such as a major earthquake directly beneath the capital - Removal of ammonia odors from baby feces and pets - Mold prevention in humid areas such as bathrooms - Deodorization of personal items like shoes - Disinfection in facilities such as hospitals, nursing homes, schools, theaters, hotels, and large commercial establishments "Created with the 3rd supplementary budget for the fiscal year 2020 business restructuring subsidy" Patent number: Patent No. 7007620 *For more details, please feel free to contact us.

• Water supply facilities

On November 20, 2025 (Thursday) and December 2, 2025 (Tuesday) from 11:00 to 14:00, our representative, certified public accountant and tax accountant Koichi Yokoyama, will be speaking at a free webinar hosted by Otsuka Shokai. He will explain important points to note regarding the revised Construction Business Act. [Construction Business Act / Public Works Optimization Promotion Act] - Prevention of omissions in the description of construction contracts - Obligation to notify "risk" information before contract signing by the contractor - Mutual exchange of original copies of construction contracts - Digitization of estimates, contracts, and order forms/acceptance letters We are entering an era where contracts must be documented in writing and stored electronically. Paperlogic is fully committed to supporting companies that have begun the transition from paper to digital.

Are people becoming exhausted in a job where mistakes are not tolerated? [For details and viewing, click here] https://www.lacras.co.jp/news/seminar_in-house-operations_1/ In this seminar, we will explain the challenges and risks of payroll operations faced by large companies from the unique perspective of Lacras' implementation consultants. It is a 15-minute seminar to understand the strengths of in-house operations and hidden costs, and to consider the next steps. <Recommended for> 　✅ Those who are managing payroll in-house but are experiencing increased burdens on the ground 　✅ Those who are overwhelmed by system modifications and legal compliance 　✅ Those who feel the risk of dependency on specific individuals but have not been able to make fundamental revisions [For details and viewing, click here] https://www.lacras.co.jp/news/seminar_in-house-operations_1/ <Seminar Overview> 　◆ Target: Personnel and labor department staff 　◆ Speaker: Jo Matsuda (Director of Business Process Design at Lacras Inc.) 　◆ Organized by: Lacras Inc. (Persol Group)

Fujikohsuhou Co., Ltd. will hold a free online seminar titled "Laser Hardening Data by Material Type" on Wednesday, November 19, 2025. There are various materials that are easy or difficult to harden in laser hardening. We provide a simple explanation of the reasons behind this. This seminar will be a useful reference for design engineers considering laser hardening during the design phase. 【Recommended for】 ■ Those who want to know about materials commonly used in laser hardening ■ Those who want to understand the hardening characteristics of various materials

"We want to improve our operations with AI, but what exactly can we do...?" For those who want to actually try out and compare services, we have an announcement. The electronic contract and document management service paperlogic will be exhibiting at the 'Business Innovation Fair 2025 Autumn in Makuhari' hosted by Otsuka Shokai on November 13th (Thursday) and 14th (Friday) at the Hotel Green Tower Makuhari. Seminars on business improvement and AI utilization will also be held, so if you are nearby, please come and visit us. ● We will also be conducting product demonstrations of paperlogic at the venue. The biggest feature of paperlogic is that it is easy to operate and simple, yet it complies with all document management regulations, including the Electronic Books Act. We invite you to experience this simplicity firsthand.

1. "A New Era of Disaster Prevention and Mitigation Opened by Satellite Remote Sensing" Satellite remote sensing is a technology that uses sensors mounted on artificial satellites to acquire information about the Earth's surface over a wide area. In this presentation, we will outline the basic mechanisms and characteristics of remote sensing and introduce specific case studies of its application in the field of disaster prevention and mitigation. Furthermore, through examples of the latest satellite data applications, we will discuss future technological prospects and social possibilities. Speaker: Hiroshi Tokunaga, Executive Director, Infrastructure Technology Business Headquarters, Nippon Koei Co., Ltd. (On-site transfer) Deputy General Manager, Sales Headquarters, QPS Research Institute, Inc. 2. Examples of Industry-Specific AI Utilization Illuminating Civil Engineering Projects 1. The DX (Digital Transformation) that Tō Co., Ltd. Aims for in the Construction Industry 2. Service Introduction: About the Construction Industry-Specific AI "AI Concierge/Hikari" 3. Practical Demo: We will provide a detailed explanation of how operations can be streamlined and productivity improved in your projects, using demo screens. Speaker: Etsuji Shimomura, IS Group, Sales Department, AI SaaS Business Headquarters, Tō Co., Ltd. For more details, please check the link below.