Traxdata 8432? Who made it?

I have a traxdata 8432 which i have given to my brother but i was wondering who actually made this drive was it philips or sony or who? Also is it possible to crossflash to another companies drive. You know traxdata > philips / sony. The drive shows up as IDE-CD R/RW 8x4x32 in the device manager.

Google gave:

Cheers man.

I concur - this rather slow site shows the same
Can you read Czech?