The first domestic pacemaker light using tunnel lighting fixtures.

We are pleased to announce that our newly developed compact and lightweight LED tunnel lighting fixture has been selected as a useful technology under the "Promotion of Utilization Technology" by NETIS. - NETIS Registration Number: TH-150008-VE - Technology Name: Compact and Lightweight LED Tunnel Lighting Fixture "STAR LED’S TUNNEL" - Registration Date: March 26, 2020 Overview - As the prevention of falling road accessories becomes increasingly important, we have developed an aluminum LED tunnel lighting fixture (slim type) that excels in workability and safety due to its compact and lightweight design, serving as an alternative to conventional stainless steel press fixtures, and have registered it with NETIS ahead of other companies. - Based on its performance in direct construction projects by the Ministry of Land, Infrastructure, Transport and Tourism, it has been evaluated as a "useful technology" superior to conventional technologies and has now been positioned as a "Promotion of Utilization Technology." - By utilizing "useful technologies" such as promotion of utilization technologies in lighting equipment construction, we expect to gain additional points during bidding and in construction performance evaluations. (Note: The application may vary by the Regional Development Bureau of the Ministry of Land, Infrastructure, Transport and Tourism.)

We are pleased to announce that our developed DC power supply tunnel LED lighting system has received the "Lighting Promotion Award." Lighting Society "Lighting Promotion Award" Recipient - Award Name: Lighting Society 2019 Lighting Promotion Award - Recipient: Hiroshima Road Office, Chugoku Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism - Equipment: Hiroshima National Route 185 Kyuyama Tunnel (downhill lane) * The DC power supply tunnel LED lighting system developed by Seiwa Electric was delivered to the Hiroshima National Route 185 Kyuyama Tunnel (downhill lane). - Award Date: March 27, 2020 Overview DC power supply LED tunnel lighting equipment for the "Hiroshima National Route 185 Kyuyama Tunnel (downhill lane)." About the Lighting Society Lighting Promotion Award Since its establishment in 1957, the Lighting Society (Lighting Promotion Subcommittee) has awarded the "Lighting Promotion Award" to outstanding lighting facilities completed in that year. This award is given to those who have made significant contributions to the planning, design, and construction of the facility, and the selection process comprehensively evaluates aspects such as visual environment, lighting techniques, and lighting effects, recognizing it as a representative lighting facility of the region.

We are pleased to announce that our developed DC power supply tunnel LED lighting system has received the "Best Development Award." Electric Equipment Society - "Best Development Award" Received - Award Name: 31st Electric Equipment Society Technical Division Best Development Award - Award Recipients: Equipment Development: Seiwa Electric Co., Ltd. / Construction: Nagano Electric Works Co., Ltd. - Achievement: Development of DC-powered tunnel lighting system - Award Date: April 2, 2020 Overview This system consolidates the DC power supply unit in one location, installed in the electrical room, and is recognized as the "first DC-powered tunnel lighting system in Japan." It has achieved the following three objectives, which were highly evaluated for its potential to be widely deployed in tunnels and similar applications. (Excerpt from the reasons for the award) 1. Miniaturization and lightweight design of lighting fixtures 2. Significant reduction in cable installation costs leading to improved economic efficiency 3. Enhanced maintainability through equipment consolidation Electric Equipment Society Development Award This award recognizes achievements related to inventions and ideas concerning technology, equipment, products, and systems related to research and development, as well as construction techniques, deemed worthy of the Electric Equipment Society Award "Technical Division." Each year, one Best Development Award and several Excellent Development Awards are presented.

Hoshi and Electric Co., Ltd. has been supplying lighting fixtures for numerous roads and tunnels since 1957, when it delivered lighting fixtures for the Kanmon Tunnel, the world's first underwater tunnel at that time. In 2010, it supplied Japan's first LED tunnel lighting fixtures for the Enoura Tunnel, which is under the direct jurisdiction of the Ministry of Land, Infrastructure, Transport and Tourism, continuously leading tunnel lighting in Japan. The newly developed tunnel LED lighting system, the first of its kind in Japan, features a power supply unit installed inside the electrical room, providing direct current to the lighting fixtures in the tunnel. This innovation allows for the miniaturization and lightweight design of the fixtures. While conventional products had the power supply unit within the fixture itself, this new product does not, enabling a reduction in size and significantly easing installation work. Additionally, by consolidating the power supply unit in the electrical room instead of within the fixture, maintenance has been simplified. Recently, we have supplied the tunnel LED lighting system for the Kyuuzan Tunnel (downhill L=1,704m) on National Route 185, under the jurisdiction of the Hiroshima National Route Office of the Chugoku Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism.