Here is also a japanese non-Denso Java solution for decoding QR Codes: Open Source QR Code Decoding Library

The other solution is russian (via Lewis Moten):
For anyone who can't wait, there is a free java program that will read the codes for you. I took a picture of these with a camera at odd angles and loaded them up. It was able to successfully decode the images.

There is also Activeprint.

• Visit http://www.intelcom.ru/2d/english/demo.php
• Download the java application for decoding QR Codes: "QR Code-demo (jar)"
• Make sure you have JAVA installed on your machine and run!

And: The QR Code Blog (jp)

Interesting remark by Lewis Moten:

Unfortunately, this craze that has been going on for a significant amount of time in Japan just hasn't made it overseas to America yet. The US industry is a little worried. I have read that there are applications that allow a user to scan a code on a product in a store, and then compare prices on Amazon.com. The other problem is that RFID is just over the horizon. The US Industry may find this more beneficial to them. RFID can't be read by cell phones and will not be visually identifiable to our society.