These are still in the planning phase though so there is little information about how the U.S. shows would work if they end up happening.
Also Koichi will be having a solo concert tour beginning on September 11th and ending on November 14th.
Tokyo Graph article. (English)
Also Koichi will be releasing a solo album on September 1st titled BPM. It will come in three versions, two limited editions with DVDs and a regular edition with two bonus tracks. The 1st limited edition will come with a DVD with about 90 minutes of video and is titled Best Performance and Music. The second LE will just have the performance of the song Solitary from the Endless SHOCK 2010 musical.