Founded by Tahei Koizumi, one of the Omi merchants, Koizumi Sangyo Group has continuously developed for over 300 years with the Omi merchant’s idea of “Sanpo Yoshi (A good Deal for Everyone: making the seller, buyer, and society happy)” and our unique philosophy based on our corporate motto, “Developing a good personality.” Keeping these ways of thinking in mind, we will strive to meet the expectations of customers and society while looking toward the future.
First year of modern business
Koizumi Sangyo Corporation predecessor established
Name changed to Koizumi Sangyo Corporation Operations. Start of operations such as manufacturing and wholesale of electric, gas and kerosene appliances
Full-scale entry into the lighting market, launching the brand “Hikari”
Start of Showroom for “Hikari” brand lighting fixtures for the customers not only to explore with the catalogs but also with the realize the design and quality
“ilum” – A Series of decorative lighting fixtures, imported from Europe.
Establishment of the in-house design group which is called “Lighting Creative Room (LCR)”
Start of “Light Caravan Mobile Showroom”
Start of “Koizumi International Lighting Design Competition for Students”, which last over 25 years. There were more than 33,000 students applied from 42 countries.
Start of showroom “Koizumi Lighting Theatre / IZM”. In addition to product showrooms, there were laboratories where the visitors could experience the various effects and feeling with lights.
Open of Koizumi Technology Development Center. Establishment of Koizumi Lighting Corporation, where is directly managed as a lighting fixture manufacturing plant.
Launch a series of lighting fixtures, which is produced with unique distribution control design. Its mission is to make the living environment comfortable with the harmony of light.
Opening of office in Dongguan, China
Certified ISO and ISO 14001
Establishment of Koizumi Sangyo (HK) Co., Ltd.
“D-Action“ - Action was a series of corroboration project with named designers over the world.
Opening and renewal opening of showrooms in Osaka, Nagoya and Fukuoka. Opening of new showroom space in Tokyo “OBAL (Organize Business with Advanced Lighting)”.
Launch of LED Lighting fixture brand “cledy”
Establishment of Dongguan Koizumi Lighting Corp.
Opening of new showroom in Osaka “KLOS”
Establishment of Koizumi Lighting Singapore Pte. Ltd.
Opening of Koizumi Lighting Technology R&D Centre in Osaka, Japan
Establishment of Koizumi Lighting Vietnam Co., Ltd.
Following the spirit of "A Good Deal for Everyone", we will engage with the creation of new product and service based on "fresh perspective and unique ideas" which are in Koizumi's DNA.