Sega of America, Inc.
Attention: Legal Department
650 Townsend Street, Suite 650
San Francisco, CA 94103-4908

At this , Sega no longer recognizes the GiriGiri emulator.
The GiriGiri team author Shinya Miyamoto is the original Copyright holder of 2001.
After he left the project and Sega took over, the emulator was short lived.
Sega took over the copyrights up to 2003 and never renewed them after the theft of the unlock code to the commercial release and the project was canned.

Sega does not have any future plans for GiriGiri at this ,
and as you point out, the recent take over of Sega, will not likely even consider emulation, as Sammy will be focusing on arcade systems.

Sega has never supported outside development, and never likely will.
All Sega systems and Games remain protected.

Sincerely,

-Sandi
Sega of America Technical Support