On 7 December 2019, Ambassador Singtong Lapisatepun as the Chairman of the ASEAN Committee in Tokyo (ACT) Bowling Tournament 2019 at the Tokyo Port Bowl in Tokyo delivered an opening remark by having an honor of Mr. NAKAYAMA Norihiro, Vice Minister of Foreign Affairs and Mr. FUJITA Masataka, Secretary-General of ASEAN-Japan Center, attended the opening ceremony.
On 6 December 2019, Mr. Kunihiko Shimano, Deputy Commissioner, Japan Patent Office, Ministry of Economy, a Trade and Industry, paid a courtesy call on Ambassador Singtong Lapisatepun to request support from Thailand for Mr. Ken Natusume's candidacy as Director-General of the World Intellectual Property Organization (WIPO), at the election which will be 2020.
On 5 December 2019, the Royal Thai Embassy in Tokyo organised a ceremony for the Thai community on the occasion of the Birthday Anniversary of His Majesty King Bhumibol Adulyadej the Great, National Day, and Father’s Day of Thailand.
On 5 December 2019, the Royal Thai Embassy organised a reception on the occasion of the Birthday Anniversary of His Majesty King Bhumibol Adulyadej the Great, National Day of the Kingdom of Thailand, and Father’s Day at Peacock Room, Imperial Hotel.
On 4 December 2019, H.E. Ambassador Singtong Lapisatepun attended the 20th Forum for Nuclear Cooperation in Asia (FNCA) which is a cooperation framework for peaceful use of nuclear technology in Asia.
On 4 December 2019, the Royal Thai Embassy organized the Initiative Volunteers for disaster relief to commemorate the Birthday Anniversary of the His Majesty the late King Bhumibol Adulyadej, on the 5th December. Ambassador Singtong Lapisatepun
On 3 December 2019, Mrs. Wirin Takeda, President of the Thai Network in Japan (TNJ) and TNJ’s Management Committee paid a courtesy call on Ambassador Singthong and discussed on ways to further promote the cooperation between TNJ and the embassy in supporting Thai citizen in Japan in the fiscal year of 2020.
On 3 December 2019, delegations from the Kanagawa Prefecture Government, led by Mr. Hiroaki Shikida, Chairman of the Japan – Thailand Friendship League, Kanagawa Assembly paid a courtesy call on Ambassador Singthong to discuss ways to strengthen the partnership between the Kanagawa and the embassy and notify about the new members after the election of Kanagawa Assembly in April.
On 3 December 2019, Mr.Susumu Matsuda, President of Toyota Motor Asia Pacific and Deputy Chief Executive Officer of China and Asia, Toyota Motor Company paid a courtesy call on Ambassador Singthong to discuss ways to farther develop Thailand into an international hub of hitech production in the region.
On 3 December 2019, Mr.Hiroshi YOKOO, Chairman of AEON 1% Club Foundation and his team paid a courtesy call on Ambassador Singtong Lapisatepun to express his gratitude for the Ambassador's presence at the reception of “AEON 1% Club Foundation 30th Anniversary Project” last November.