Camera RAW: Will DNG Converter support Fujifilm DBP for GX680 digital back?

I understand the digital back is old and not popular. I have been searching for months but could not find any working raw converter for it. 
Below are two photos on the color target of X-Rite ColorChecker Passport:

http://www.weldpass.com/upload/Fujifilm-DBP-for-GX680-daylight.RAF
http://www.weldpass.com/upload/Fujifilm-DBP-for-GX680-tungsten.RAF

Thanks.