Company’s Principle

With a sloganー“To contribute to the public through the development of a company.”ー,we have been consistently running as the pilot lamps manufacturer since the establishmenton March, 1931.
Through the development of a company, we have accumulated technical developments step by step and have been succeeded indevelopment of a various newproducts particularly for the Negative Glow Lamps according to our highest technologyamong the lamp business industry.
Also, we have been managing our business in sincere attitude of mind for the motto ofmutual benefit, and been enjoying a good reputation by lots of our customers.
We always appreciate all of your kindest cooperation and thank you for your future collaboration, remain.

Products List
Negative Glow Lamps. Fluorescent Glow Lamps
Voltage Indication Lamps(T-5. T-4. T-4F. T-4NNRT)
Power save Night Lamp. Miniature Lamps.
Tungsten Halogen Lamps .General Tungsten Filament Lamps.
Sub-miniature lamps .Neon Lamp Bracket.LED Bracket.
Instrument general lighting.Lamp Socket.
Assembly goods of the above lamps

Head Office:         7-15,Higashiooi 4-chome,Shinagawa-ku Tokyo 140,Japan

March 1931    Toyokawa Denkyu Seisakusho was founded by Mr. Komei Toyokawa for manufacture and sales of small lamps.
March 1953    Toyokawa Denki Co.,Ltd. was incorporated.Capital \1,000,000.
June 1960     Small glow lamp division established.
February 1973  Oversea factory in Seoul, Korea established for manufacturing of small lamps for oversea business cooperation.
December 1973 Apartment 7 floors 28 rooms completed and possessed for one of business line.
September 1980 Capital was increased to \40,000,000.
April 1983     Capital was increased to \50,000,000.
November 1984  Head Office bldg. (3 floors+1 basement) completed, and apartment 4 rooms completed total 32 rooms.
February 1986   1132m2 land for New Saitama Factory possessed.
January 1992   Research and Development Center possessed. 
January 1993   Apartment named Yamanoue Heights 2 floors 9 rooms possessed total 41 rooms.
November 2000 Sinko New Saitama Factory conpleted.
January 2001   ISO 9001 acquired.

Our products have been mostly reputed by Japanese electrical appliance manufacturers as an electronic component, and also exported to worldwide.

Subsidiary Company
Taiyo Denki Co.,Ltd. :479-1, Aza Kamishuku, Ohaza Namiyanagi, Hanno-City, Saitama Prefecture 375, Japan
Toyokawa Hausing Co.,Ltd. :7-17-102, Higashiooi 4-chome, Shinagawa-ku Tokyo 140, Japan              
Toyokawa Planning Co.,Ltd .:・・・・ditto・・・・