Contact me

I can be contacted at

For 30+ years, I had an office in Shibuya, about a minute or so from the station. However, that building is now closed for rebuilding, and I have relocated my office to
1-547 Kosugi-machi
Nakahara-ku, Kawasaki-shi
Kanagawa-ken 211-0063
which is 川崎市中原区小杉町1-547 in Japanese.