Verbatim's parent company, Mitsubishi Chemical, has announced that they will be releasing their new inkjet printable 8cm BD-R and BD-RE media on the Japanese market in mid-February. Here's part of their press release, translated from Japanese:
Mitsubishi Chemical Media Co., Ltd. (Headquarters: Minato-ku, Tokyo, President: Shigenori Ootsuka) is the inkjet printer can print labels, video cameras for Blu-ray (BD), BD-R recordable 8 cm and 8 cm rewritten type BD - RE, three each from the pack in mid-February release. Labels now on sale in the ordinary type, as well as single-sided 7.5 GB per layer up to 1920 × 1080i high-definition image quality in a full 60 minutes of continuous recording.

The pursuit of high quality, but widespread video camera. Private high-definition video footage and would prefer to leave it to be. The Company is the emergence of BD-compatible video camera to match August 2007, a high-definition and high-definition video recording to long, 8 cm can be stored directly to BD sale. The new product, the original label designs can be printed on an inkjet printer, a pen or oily water in a pen to write letters.
While Mitsubishi has not announced a price, AV Watch expects three packs of their 8cm BD-R and BD-RE media to cost about 6000 Yen and 9000 Yen, respectively. If you'd like to read more, the entire press release can be found here.