Aliyev, who is in Tokyo on a four-day trip, also said he had "high expectations" for increased Japanese investment.
Japanese Foreign Minister Taro Aso said Tokyo was interested in maintaining strong bilateral ties because of Azerbaijan's importance -- geopolitically and as an oil-producing nation.
Aliyev is due to meet Prime Minister Junichiro Koizumi on March 10.
Caspian Energy Special
For a complete archive of RFE/RL's coverage of energy issues in the Caspian Sea region and Russia, click here.
HOW MUCH OIL? The U.S. Energy Information Administration has estimated that the Caspian could hold between 17 billion and 33 billion barrels of proven oil. ("Proven reserves" are defined by energy experts to be 90 percent probable.) Other experts estimate the Caspian could hold "possible reserves" of up to 233 billion barrels of oil. ("Possible reserves" are considered to be 50 percent probable.) By comparison, Saudi Arabia has 261 billion barrels of oil and the United States 23 billion...(more)