NPB Commissioner Katsuhiko Kumazaki is scheduled to visit all twelve teams during spring camp. His visit will be split into two trips -- six teams between February 4 and 8 and the remain six teams between February 20 and 23. Some of the dates include Rakuten on the 4th, Hanshin on the 5th, Yomiuri on the 7th, Orix on the 20th, and Yakult and Orix on the 23rd.
The Baseball Hall of Fame and Museum in Tokyo will be running an exhibition on bats belonging to famous players.
Upcoming Exhibition: Bats used by Star Players
Dates: February 4, 2014 through May 18, 2014
Area: Exhibition Room
According to the announcement, about seventy bats from players like Babe Ruth, Ichiro Suzuki, and Isao Harimoto will be on display. The bats are part of the collection owned by the museum.
Source: official announcement (in English)