Where to study as an engineer or computer scientist

I would like to major in either engineering or computer science (or a field related to either of the two) in Japan. My problem is that I do not know Japanese well enough to take the classes in Japanese. Do you know of any schools that offer these kinds of programs in English? I have heard that Tohoku and Nagoya have some but they have been all mixed stories with little reliability. I would also appreciate any information on how to pass the EJU as well as the entrance exams for the colleges that you mention. Any good prep schools that I could go to for a few months before the test would be very appreciated as well. Thank you very much

Nagoya University Education Center for International Students
http://www.ecis.nagoya-u.ac.jp/en/

Hori Sekine Laboratory
(Dept. of Electrical Engineering and Computer Science of Nagoya University)
http://www.nuee.nagoya-u.ac.jp/labs/horilab/

School of Engineering of Tohoku University
School of Engineering, Tohoku University

*Disclaimer: the above information is just what I got from internet search.
Details and accurate information should be checked & confirmed by contacting the above universities.

Note: Even if the university does not provide with special programme/courses of Japanese language for international student, there are many language schools in Japan who offer the courses to get you prepared for studying at colleges/universities.

Japanese language school database
http://www.aikgroup.co.jp/j-school/english/index.htm