GAAJ-Zenhokyo Timeline
1965
Zen Nihon Houseki Kyokai opens its offices in Harajuku, Shibuya, in Tokyo.
1968
Delegated by the Gemmological Association Of Great Britain to conduct the FGA examination in Japan.

First to start a seminar on gemmology in Japan.
1969
Moved the head office to Biho-Kaikan in Akashicho, Chuo-ku, Tokyo, and changed the company name to “Gemmological Association of All Japan" (GAAJ).

Launched a new gemmological magazine, “GEMMOLOGY”.
1970
Participated in the International Gemmological Conference (IGC) for the first time.

Opened the Osaka branch in Chuo-ku, Osaka.
1974
Joined in the establishment of “The Gemmological Society of Japan.”
1977
Started GAGTL home study courses of gemmology in Japanese.
1980
Opened the Fukuoka branch in Fukuoka-city.
1981
Introduced an X-ray fluorescence analytical device in research laboratory.

Held the 18th IGC in Japan with the cooperation of the industry and GAAJ Alumni Association.
1984
Introduced a laser tomography device in research laboratory.
1986
Established Gemmological Association of All Japan Ltd.
1990
Held the 25th Foundation Anniversary ceremony at the Imperial Hotel.
1991
Established “Gemmological Laboratory Japan-Israel (Zenhokyo-GILI-GIPS) Ltd.” in Ramat Gan, Israel.
1994
Opened a public bonded warehouse for inspection services.

Introduced a luminoscope in research laboratory.
Started issuing the world-first diamond unique identification “Diamond Fingerprint Report" and the “Gemstone Analysis Report,” which scientifically detects enhancements in corundum.
1995
Held the 6th general meeting of the International Coloured Stone Association (ICA) in Tokyo, hosted by the GAAJ.

Held the 30th Foundation Anniversary ceremony.
1996
Published a technical gemstone identification book “Gems - Their internal science - The world of major gemstones."
1997
Opened the Tokyo headquarters office in Taito-ku, Tokyo.
1999
Published a technical gemstone identification book, “Gems - Their Internal Science -The World of Unique Gemstones."
2000
The first gemmological laboratory in Japan to install a Raman spectroscope at the research laboratory.

Moved the headquarters office and administrative headquarters to Daiwa-Ueno Bldg., Taito-ku, Tokyo.
Launched GAAJ website.
Held the 35th Foundation Anniversary ceremony
2001
Launched outsourced service for laser inscription on diamonds.
2002
Moved the Osaka branch to Osaka-Toyoda Bldg. in Minami-senba, Chuo-ku, Osaka.

Renewal of Gemstone Analysis Report, as well as cover design for laboratory reports and design for sorting memo.
Started printing the issue date on all reports according to AGL decision.
2003
Introduced an LA-ICP-MS mass spectrometer in research laboratory (the first to be introduced worlwide in a private gemmological laboratory).

Released a “Character Report” describing an individual character of a gemstone.
Launched plotting service on GAAJ diamond grading reports.
Produced “GAAJ Lab. Reports Guide,” a handbook explaining various analysis reports.
2004
Started FGA Foundation home study course in Japanese.

Installed a UV Laser Raman spectroscope in research laboratory.
Renewed design for Gem Identification Report and Proportion Report.
Upgraded the GAAJ website.
Assisted and supported the special exhibition “Jadeite - Treasure of Orient,” held at the National Science Museum.
2005
First gemmological lab in Japan to install a Laser Induced Breakdown Spectrometry in research laboratory.
2006
Began issuing analysis reports about the filling of fissures and fracture in emeralds.
2007
Began issuing analysis reports for heated/ unheated rubies and sapphires.

Moved the Zenhohokyo Israel branch to D-Mall, 2nd floor, 1 Jabotinsky St., Ramat-Gan.
Installed a new version Diamond ViewTM in research laboratory.
2008
Installed an automatic diamond colour grading system (ColibriTM) in Tokyo headquarters, Osaka, Fukuoka and Israel.