Found this - not sure if it is the same:
Toyo Adtec Co., Ltd. have just changed its company name. | DENKA ADTECS English version.
Dear Valued Customer,
Announced in this website, Toyo Adtec Co., Ltd. have just changed its
company name, to DENKA ADTECS Co., Ltd. for the 10th anniversary,
We DENKA ADTECS will provide the same products as Toyo Adtec did and same
service as we have acquired a favorable reputation in the industry.
It is quite appreciated if you would inform your colleagues of this
announcement accordingly.
Overview of the company
1. DENKA ADTECS Co., Ltd. (Old Name: Toyo Adtec Co., Ltd.)
2. Effective Date of Name Change: July 1, 2011
3. Head Office : 2-1-1, 8F, Nihonbashi-Muromachi,
Chuo-ku, Tokyo 103-8338, Japan
4. +81-3-5290-5620
5. Effective Date of address and phone number above: July 4, 2011
6. Representative: Manabu Yamamoto, President
We would like to express our appreciation to your kindest understanding and
cooperation in these changes.
And, we hope you to contact us freely if you have any questions.
DENKA ADTECS Co., Ltd.