There are 4 trains on this image each depicting a good labor of engineering and art...and to some, history.
Class 10000 [Upper Left].
Class 1000 electric locomotives were fist built on 1911. This locomotive type was pre-numbered from 10000 to EC40.
Class ED40 [Upper Right].
Was used from 1919-1951. Its the first Japanese domestically mass-produced Rack Track system electric locomotive.
You can find more locomotive/train stamps here:
Class EF58 [Lower Left]
It is a class of Japanese 2-C+C-2 wheel arrangement DC electric locomotives. 172 locomotives were built between 1946 and 1958.
Class ED70 [Lower Right]
Was produced on the Class ED45 basis. They were deployed on the Japan's first business AC electrified section between Tamura and Tsuruga on the Hokuriku line during October 1957.
And no I'm not an expert on trains. :P
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Reference(s):
http://en.wikipedia.org/wiki/Japan_Railways_locomotive_numbering_and_classification
http://homepage3.nifty.com/EF57/r.museum/ED75.htm
http://en.wikipedia.org/wiki/JNR_Class_EF58
http://homepage3.nifty.com/EF57/r.museum/ED40.htm