Maruzen has provided Japanese ebooks platform specialized academic books.
You can search by titles, authors, and full text. And you can also download the PDF files and print out from each pages.
The number of downloadable pages varies depending on the contents.
Please check the "Print/Save" screen for each content.
Authentication by email address is required to download the file. You must use an email address from the Kyushu University domain (~.kyushu-u.ac.jp)