After rare talks with his Chinese counterpart Wang Yi, Taro Kono said the ministers had "forward-looking" and "fulfilling" discussions about rebuilding ties between the Asian powers.
After such a meeting, they hoped to organise reciprocal visits by Abe and Chinese President Xi Jinping, Kono said.
"We agreed to fully improve the bilateral relations through exchanges of the leaders ... with Premier Li's visit at the time of the trilateral talks as the starting step," Kono told reporters.
"We agreed the importance of making it a sea of peace, cooperation and friendship," he said.
The world's second and third largest economies have a fraught relationship, complicated by longstanding maritime disputes and Japan's wartime legacy.
But Tokyo is eager to get the relationship back on a firmer footing, especially as it fears being shut out of negotiations on North Korea's nuclear programme in which Beijing is likely to be a major player.
"We had direct and in-depth discussions on North Korea in light of the current situation," he told reporters after the meeting, without revealing details.
"We confirmed that we shall continue our close coordination while also completely implementing related UN Security Council resolutions to realise the irreversible, verifiable and complete denuclearisation of North Korea and its missiles."
Wang, a former ambassador to Japan, said his visit was China's response to "positive" messages and policies from Tokyo but acknowledged "some complex and sensitive elements".
"But together with Japan's efforts... we would like to bring China-Japan relations back on a path of sustainable and normal development." Abe, who is due to meet Trump in Florida on Tuesday to discuss North Korea, will meet Wang tomorrow.
The time is ripe for the two nations to improve relations to mark the 40th anniversary of their 1978 Treaty of Peace and Friendship, both ministers said.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)