Just doing a quick Google search produces the following resources and result.
Most of robotic research is done by the Universities and that's probably who you may need to contact first.
Are you wanting to sell technology or contribute to research? Depending on your intentions and sincerity they may be willing to talk with you but if you are a inventor/researcher you may need to submit examples of your work/research.
Robots R Us | Japan -- Business People Technology | www.japaninc.com
http://www.isis.georgetown.edu/CAIMR...DocumentID=181
Humanoid Robotics Institute
Robotics in Japan
Robotics in Japan
70s と 80s年代 の 日本映画, CM, J-POP, TVドラマ と アクション刑事ドラマ 大好き!