- November 2, 2023, International Application Patent ‘ICG Lipid Derivative, and Lipid Microparticles Each Containing Same’ (PCT/JP2023/016320; WO 2023/210645) was disclosed.
- August 17, 2023, International Application Patent ‘NKT Cell Ligand-Containing Liposome Composition’ (PCT/JP2023/005048; WO 2023/153527) was disclosed.
- August 8, 2023, Hiroshi Kikuchi assumed a member of FY 2023 Advisory Board for Development of Superior Cell and DDS for Regenerative Medicine, Research Institute for Science & Technology, Tokyo University of Science.
- July 26, 2023, Hiroshi Kikuchi has assumed a member of Technology & Science Advisory Board, Corden Pharma (Switzerland). (https://cordenpharma.com/about-us/technology-science-advisory-board)
- November 11, 2022, Hiroshi Kikuchi performed the invited lecture, ‘Commission for Species Difference Problem on DDS Formulation Design’ supported by APSTJ, 4th International Symposium on BA/BE of Oral Drug Products, 2022, Shiga, Japan.（https://www.babe-symposium.org/2022/）
- May 27, 2022, Hiroshi Kikuchi performed the invited lecture, Retrospection of 40 years DDS research at the pharmaceutical companies, and the message for the young scientists, The Special Symposium 2 ‘Retrospection and Foresight of Pharmaceutical Science and Technology by Legends 2’, The 37th Annual Meeting (Kyoto) of The Academy of Pharmaceutical Science and Technology, Japan.
- April 1, 2022, Hiroshi Kikuchi published the following paper: Hiroshi Kikuchi, Feature Articles, Study and Their Future Perspective of Lipid Nanoparticles, Yakuzaigaku, 82(2), 63-70 (2022).
- February 1, 2022, Hiroshi Kikuchi published the following paper: M. Maruyama, H. Tojo, K. Toi, Y. Ienaka, K. Hyodo, H. Kikuchi, K. Ogawara and K. Higaki, Effect of doxorubicin release rate from polyethylene glycol-modified liposome on anti-tumor activity in B16-BL6 tumor-bearing mice, J. Pharm. Sci., 111, 293-297 (2022).
- January 19, 2022, Hiroshi Kikuchi performed an Adjunct Professor at Faculty of Pharmaceutical Sciences, The University of Tokyo. This was the final lecture of just 30 years Adjunct Professor.
- January 12, 2022, Hiroshi Kikuchi performed an Adjunct Professor at Faculty of Pharmaceutical Sciences, The University of Tokyo.
- January 1, 2022, Hiroshi Kikuchi published the following paper: A. Kambayashi, M. Murano, S. Imai, K. Miyata, K. Sugita, Y. Fujii, M. Kinoshita, A. Nomura, T. Kimoto, Y. Miyazaki, H. Sakakibara, S. Kakuda, T. Tsujimoto, Y. Fujita, M. Kano, H. Nakamura, S. Akaogi, M. Honda, M. Anraku, N. Kamada, K. Ohta, M. Uchida, M. Kataoka, H. Kikuchi, S. Yamashita and H. Kondo, Interspecies differences in gastrointestinal physiology affecting the in vivo performance of oral pharmaceutical solid dosage forms, J. Drug Deliv. Sci. Technol., 67, January 2022, 102923, https://doi.org/10.1016/j.jddst.2021.102923.
- November 15, 2021, Hiroshi Kikuchi performed the special lecture at Graduate School of Pharmacy, Nihon University. The title was “The history of parenteral drug delivery system technology and its characteristics with a message for the young students.
- September 3, 2021, Hiroshi Kikuchi assumed a member of FY 2021 Advisory Board for Development of Superior Cell and DDS for Regenerative Medicine, Research Institute for Science & Technology, Tokyo University of Science.
- March 3, 2021, Hiroshi Kikuchi has assumed an advisor for Kyoto Biken Laboratories, Inc. （https://www.kyotobiken.co.jp/about/advisor.html)
- February 1, 2021,
"DDS Strategy Firm" was established as a solo proprietor.