According to an article at Reuters, TEAC and Pioneer have agreed to work together to develop DVD drives for laptops.
TEAC Corp. said on Wednesday it and electronics maker Pioneer Corp. had agreed to co-develop recordable DVD drives for laptop computers, in the latest move by Japanese electronics makers to counter the tough price competition in the industry.

TEAC, a maker of floppy disk and CD-ROM drives, said in a statement the two companies will work on the details of the agreement and would also consider expanding their ties to other areas.
I thought TEAC and Pioneer had signed this agreement months ago, but I guess not. If you'd like to read more, the entire article can be found here.