On the 1st of December 2015, Mr.Nattapong Lathapipat, Minister Counsellor, Miss Ranida Chamchalerm, Counsellor, along with staffs from the Royal Thai Embassy was invited by Koyama Elementary School
On 27 November 2015, H.E. Ambassador Sihasak gave a lecture at a seminar and networking event for Japanese companies already operating or planning to enter in Thailand, organized by JETRO.
On 27th November 2015, Mr. Bhakavat Tanskul represented the Royal Thai Embassy, bearing flowers in the name of Her Royal Highness Princess Maha Chakri Sirindhorn
On November 27th 2015, 6 Thai students from the Independent Administrative Organization National Institution for Youth Education Junior Program 2015
On 26 November 2015 Mr. Bhakavat Tanskul, Minister of the Royal Thai Embassy acted as a witness and also gave a congratulatory address at the JDP Joint Signing Ceremony between Chulalongkorn University and Tokyo Medical and Dental University (TMDU)
On 24 November 2015, H.E. Ambassador Sihasak visited Akita Prefecture at the invitation of the Akita-Thailand Friendship Association. During the visit, Ambassador Sihasak paid a courtesy call on Honourable Mr. Norihisa Sakata, Governor of Akita, and had meetings with Akita Chamber of Commerce and Industry and Executives of Hokuto Bank, respectively.
On 19 November 2015, Gen. Surasak Karnjanarat, Minister of Natural Resources and Environment, Thailand and Ms. Tamayo Marukawa, Minister of the Environment, Japan, jointly signed a memorandum of bilateral cooperation on the Joint Crediting Mechanism (JCM) between Thailand and Japan at the Ministry of the Environment in Tokyo.
On 18 November 2015, H.E. Ambassador Sihasak Phuangketkeow presided over the ceremony of the presentation of an oil painting of a Thai elephant (Hanako-Playground) to the Royal Thai Embassy
On 17 November 2015, Ambassador Sihasak Phuangketkeow gave a briefing about the development of the economic and political situation in Thailand, including Thailand-Japan relations, to about 25 members from the International Friendship Exchange Council (FEC).
On 15 November 2015, Mr. Phatai Sooksommai, Minister (Commercial) together with the officials of the Royal Thai Embassy in Tokyo presided over the Royal Kathin Presentation Ceremony at Wat Paknam Japan in Narita city, Chiba.