Expert Content Creation in Medicine, Biotech, and Health Industries


Empower Your World with Knowledge

At STELLA MEDIX Ltd., we're on a mission to make the world healthier through the power of engaging content and cutting-edge information. Since our inception in April 2017, we've dedicated ourselves to transforming how medical and health information is conveyed and understood, across borders and cultures. With the rapid evolution of internet services and AI, the role of human creativity and expertise has never been more critical. We specialize in producing authoritative content in medicine, health, food, and animal health, leveraging the latest in deep learning and artificial intelligence to ensure our content is not only accurate but also accessible and impactful.

We're actively looking to collaborate with content creators worldwide who are passionate about making a difference in these crucial fields. By joining forces, we can continue to break down barriers in communication and make specialized, complex information understandable and available to all.

Discover our achievements and the difference we're making: Explore Our Work.

Company Information

Business Creating articles and contents covering special fields including "Medicine", "Health", "Food", "Beauty", "Biotechnology", "Animal Health (Veterinary)" with services in content creation, translation, and consulting.
Founded 27th Apr. 2017
President Yoshitaka Hoshi
Capital Stock 5 million yen (as of May 31, 2018)
Address 1-6-13, Kyobashi, Chuo-ku, Tokyo, Japan 104-0031 Kin-you Bld. 6th floor
TEL/FAX +81-3-3535-2015
Bank MUFG Bank, Ltd. and Shiba Shinkin Bank
Accounting firm Shinsei partners Accounting
Access 3 minutes on foot from Kyobashi Sta. (Tokyo Metro), Takara-cho Sta. (Metropolitan subway), Tokyo Sta. (JR)
Corporate Number 9010401131252 Invoice System Registration Number
View our company profile in Japanese here.



Yoshitaka Hoshi

Born 1977 Graduated from the University of Tokyo (veterinary medicine course, Faculty of Agriculture)
2001 Joined Nikkei BP Inc
2010 Joined M3 Inc
2014 Joined DeNA Inc
2016 Joined Hikari Tsushin Inc
2017 Stella Medix Inc. Founded

Yoshitaka Hoshi established STELLA MEDIX,Ltd. in Apr.2017.Prior to the foundation, Yoshitaka was the Tokatsu of a portal site for reservation of clinics called EPARK,which is a service by Hikari Tsushin(9435 T.). Earlier, Yoshitaka was the editor in chief of a medical news site called Med-edge in DeNA group(2432 T.).Before that,Yoshitaka was the planner of clinical web contents of medical portal site, called for healthcare professionals in M3 group(2413 T.). The first nine-half years-career was the staff writer in Nikkei BP, covering fields of medicine, biotechnology, food industry, chemical industry and so on. Yoshitaka holds the veterinary medicine BSc, graduated from Univ. of Tokyo.DVM.


Medical/Science Advisors

Shin-ichi Nishikawa
President, All About Science Japan (AASJ) / Professor Emeritus, Kyoto University
President of All About Science Japan (AASJ) / Professor Emeritus of Kyoto University. Since 2013, Since 2013, he has been an advisor to the JT Biohistory Research Institute and President of All About Science Japan (AASJ), a non-profit organisation. Previously, he was Deputy Director of the RIKEN Centre for Developmental Biology and Director of the Stem Cell Research Group at the RIKEN Center for Developmental Biology and until 2002, Professor of Molecular Genetics at the Graduate School of Medicine, Kyoto University, and until 1987 at the Faculty of Medicine, Kumamoto University. Prior to that, he was at the Institute of Genetics, University of Cologne, Germany, and then at the Institute of Thoracic Diseases, Kyoto University, B.A. 1973, Kyoto University School of Medicine.
M.D. Ph.D Honorary Prof. of Univ. of Kyoto.
Kunio Shiota
Professor Emeritus, University of Tokyo
Professor Emeritus of the University of Tokyo.Professor at the Graduate School of Agricultural and Life Sciences, University of Tokyo from 1998 to 2016. He leads research in the Department of Cellular Biochemistry and is involved in solving problems in the field of 'epigenetics', the study of DNA methylation, histone glycosylation and other chemical modifications of genetically-related substances. He joined the University of Tokyo in 1987 as Associate Professor in the Faculty of Agriculture. Prior to that, he worked for Takeda Pharmaceutical Company from 1979, completed his doctorate in veterinary medicine at the University of Tokyo in 1979 and graduated from the Department of Veterinary Medicine, Faculty of Agriculture, University of Miyazaki, in 1973. Apart from his position at the University of Tokyo, he has held positions at several research facilities, including Research Professor at the Research Institute of Science and Engineering, Waseda University.
D.V.M Ph.D The Honorary Prof. of Univ. of Tokyo.
Hiroshi Bando
Internist / President, 2017 Annual Conference and Congress of the Japanese Association for Primary Care Alliance
Internal medicine physician / President of the Japanese Primary Care Alliance 2017 Annual Conference and Congress.In addition to being a physician, he is a pianist and athlete, Essayist; ECFMG qualified and clinically trained in the USA. Senior member of the American College of Physicians (ACP), ACP Volunteer & Community Award winner (2011) Editorial board member of Diabetes Research- Open Journal (DROJ), a journal of diabetes. Councilor of the Japanese Society of Anti-Aging Medicine, the Japanese Society of Music Therapy, etc. Graduated from the Faculty of Medicine, University of Tokushima in 1981.
M.D. The President of Primary care Conference 2017.
Yasuhiro Saito
Doctor of Science Specially Appointed Associate Professor at Keio University
Special appointment associate professor at Keio University from 2023. Research Fellow at Beth Israel Deaconess Medical Center/Harvard Medical School, USA since 2015; Human Frontier Science Program Long Term Research Fellow at Harvard Medical School since 2014. Human Frontier Science Program Long-term fellow since 2014 and a Princess Margaret Cancer Centre, Toronto, Canada. Previously, she worked as an assistant professor at the University of Tokyo's Graduate School of Medicine. She graduated from the Faculty of Science and the Graduate School of Fisheries Science, Hokkaido University, respectively, and in 2004 from the Faculty of Fisheries, Hokkaido University.
Ph.D Specially Appointed Associate Professor of Keio Univ.
Masami Saito

Editorial Advisor

Junji Kayukawa
Associate professor at Eikei University, science writer and sociologist
Associate professor at Hiroshima University, science writer and sociologist.After working as a freelance writer, a part-time lecturer at Meiji Gakuin University, etc., he has been in his current position since 2019. While teaching in the field of sociology, he writes for Mainichi Shimbun and Gendai Shiso, as well as for various media such as SYNODOS and WEBRONZA. His books include "Biologising Society "(Seidosha, 2012) and "Genome Editing and the Birth of Cell Politics" (Seidosha, 2018). He is the supervisor of the book "Exposed Life: Biological Citizens after Chernobyl "(by Adriana Petrina, translated by Maiko Morimoto et al, Jinbunshoin, 2016). PhD (Sociology).
Ph.D of Sociology.

Communications Advisor

Toshio kodato
Special researcher at Showa Women's University Institute of Contemporary Business and director of Softbrain Field
He has led the advertising and public relations departments of Asahi Group Holdings and other companies for many years, serving until 2017 as Chairman of the Board of Directors of Chuo Ad Shinsha, a Hakuhodo group company, and as a Director and Executive Officer of Asahi Group Holdings. He joined Asahi Breweries, Ltd (now Asahi Breweries, Ltd) in 1978. In the same year, he graduated from the Faculty of Economics at Tohoku University.
The former director of Asahi Hd.(5857 T.)
And network of the professionals in Japan.