After working for a major translation agency as salesperson and checker in patent translation section, Mr. Arai worked for a major patent office as patent translator (English & German to Japanese, chemical section), and as patent engineer for about 10 years.
- MA, German Literature, Tokyo Metoropolitan University
- BA, Fuculty of German studies, Tokyo University of foreign Studies
- Organic Chemistry (esp. polymer, liquid crystal)
- Inorganic Chemistry (esp. metal, glass, material, catalyst)