I am familiar with 19th century Japanese wood block prints but I was unaware of the 20th century wood block artists. Plep has a couple of links to Shin Hanga.

Shin Hanga Prints

ShinHanga.net

The ShinHanga.net site has this article of making wood block prints that blew me away. There was much more to it than I imagined. (There usually is.)

"Process of Wood-Cut Printing Explained"

Block 7
This is almost the same color as on Block 6. The areas where the color is doubled up are darker.

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But wait! There's more! The above article linked to...

What are Surimono?

There are detailed pictures of several prints being made and printed.

How the Prints are Made.