| 1938 |
Dr. Fumio Umezawa, the first director, stablished Jujin Hospital in Shimbashi, Tokyo. Studied Cosmetic Surgery while practicing mainly Surgery and Urology. |
| 1941 |
Due to the war, appointed as the Metropolitan safeguard first-aid station. |
| 1945 |
After the war, restarted practicing as a general hospital including the Cosmetic Surgery Department. |
| 1948 |
Established the Japan Cosmetic Medicine Institute for the purpose of study and enlightenment of Cosmetic Surgery. |
| 1956 |
The authority of image mimicking Dr. Burns visited Japan. Held a lecture at Mitsukoshi Hall on Cosmetic Surgery on request of Japan Doctors Association. |
| 1958 |
Established Japan Cosmetic Science Co., Ltd. |
| 1962 |
Started publishing the semi-annual "Cosmetic Medicine" |
| 1964 |
Jujin Hospital New Annex was completed with a seminar hall on the 7th floor. |
| 1965 |
Established the Japan Academy of Hairdressers.Held a seminar of cosmetic medicine every month to educate hairdressers |
| 1966 |
Established the Japan Cosmetic Plastic Surgery Association. |
| 1975 |
In commemoration of the 25th anniversary of the Japan Cosmetic Medicine Society, hosted a beaty pagent at Dai-ichi Hotel in Shinbashi. It was also the International Year of Women. |
| 1977 |
Requested to the Department of Health and the Liberal Democratic Party to amend article 70 of the Medical Law and add "Cosmetic Surgery" as medical practice . |
| 1978 |
The LDP submitted a reform bill with an approvement by Japan Doctors Association and the Department of Health.
"Cosmetic Plastic Surgery" was revised to "Cosmetic Surgery" and "Japan Cosmetic Plastic Surgery Assocition" to "Japan Cosmetic Surgery Association". |
| 1979 |
Introduced Liposucton as a practice. |
| 1980 |
Established the International Cosmetic Surgery Association in Tokyo. |
| 1981 |
Hosted the 1st International Cosmetic Surgery Conference in Tokyo. |
| 1983 |
Dr. Fumio Umezawa was appointed as a director of Jujin Plaza Co., Ltd. and Jujin Plaza Manufacturing Co., Ltd. |
| 1984 |
The New Jujin Hospital Annex Two was completed.
Dr. Fumihiko Umezawa, the current director, was appointed as the director of Japan Cosmetic Surgery Institute. |
| 1985 |
Hosted the 2nd International Cosmetic Surgery Conference. |
| 1987 |
Until February Dr. Fumio Umezawa has made efforts in the field of Cosmetic Surgery as the director of Jujin Hospital.
In July Dr. Fumihiko Umezawa was appointed as the director of Jujin Hospital. |
| 1989 |
Hosted the 3rd International Cosmetic Surgery Conference in Paris, France with attendance of 250 from 26 different countries. |
| 1990 |
Hosted the 48th Japan Cosmetic Surgery Conference in Fukuoka.
Jujin Hospital was awarded the first-time in Japan "Triumph Grand Prize" from the European Excellent Association. |
| 1991 |
Hosted the 55th Japan Cosmetic Surgery Conference in Tokyo. |
| 1995 |
Hosted the 60th Japan Cosmetic Surgery Conference in Fukuoka. |
| 1997 |
Introduced Instant Face Lift of nose and chin. |
| 1998 |
Introduced Instant Face Lift for double eyelids.
Co-hosted a ceremony for the 50th anniversary of Japan Cosmetic Medicine Society. |
| 2000 |
Cosponsored the 3rd International Cosmetic Surgery Conference and the 78th Japan Cosmetic Surgery Conference in Tokyo. |
| 2001 |
Cosponsored the 80th International Cosmetic Surgery Conference and the 1st China-Japan Joint Cosmetic Surgery Conference in Dalian, China. |
| 2002 |
Cosponsored the 82th International Cosmetic Surgery Conference and the 2st China-Japan Joint Cosmetic Surgery Conference, the 1st Japan-Korea Joint Conference in Yokohama, Japan. |
| 2003 |
Cosponsored the 84th International Cosmetic Surgery Conference and the 1st Minimal invasive blephaloplasty in Shanghai, China. |
| 2004 |
Cosponsored the 86th International Cosmetic Surgery Conference and the 2nd Minimal invasive blephaloplasty in Seoul, Korea.
Hosted the 87th International Cosmetic Surgery Conference in Yokohama. |
| 2005 |
Hosted the 88th International Cosmetic Surgery Conference in Tokyo.
Cosponsored the 4th International Cosmetic Surgery Conference and the 89th Japan Cosmetic Surgery Conference in Tokyo. |
| 2006 |
Hosted the 90th International Cosmetic Surgery Conference in Tokyo.
Cosponsored the 91th International Cosmetic Surgery Conference and the 4th Minimal invasive blephaloplasty in Chongqing, China.
Introduced "Regen ACR treatment"for skin regeneration. |
Jujin Hospital-the oldest and the newest in cosmetic alteration practice and research.
