After 300 years of operation, the Manju Chemical Corporation was incorporated and obtained the patents in 37 countries for its method of refining and extracting pure glucomannan.
1972
The name Manju Chemical Corporation was changed to Shimizu Chemical Corporation.
1973
Developed the health food "PROPOL®" and received the approval of the Japanese Ministry of Health • Welfare.
Clinical and animal studies were initiated by academic and research institutions in Japan and foreign countries.
Shimizu 's PROPOL® is acknowledged by leading scientific experts as having the unique properties worthy of further studies in humans.
1982
Masako Shimizu assumed the role of Representative Director and President.
Started the integrated development of a variety of health foods on a commercial basis.
1983
Developed "Active Fiber".
I985
Installed additional processing equipment and increased health food production.
1987
Applied for patent for a soluble glucomannan preparation process.
1989
Opened glucomannan refinery plant in Taiwan .
1993
Carried out the 1st stage expansion of "PROPOL® RS" production plant.
1995
Carried out the 2nd stage expansion of "PROPOL® RS" production plant.
1999
Initiated the production and the sales of "PROPOL® ISLB"
and "WHITE PROPOL ISLB" for cosmetic applications.
2000
Hideki Shimizu assumed the role of Representative Director and President.
Initiated the production and the sales of "PROPOL® PHOENIX "
for liquid and beverage applications.
2006
Initiated the production and the sales of "PROPOL®LM" "PROPOL®LM",
the low-viscosity glucomannan.
Initiated the production andthe sales of "PROPOL®G" "PROPOL®G",
the granule type.
Initiated the production and the sales of glucomannan in flowable formulations
for agrochemical applications.
2007
Acquired ISO 9001:2000 certification.
iJQA-QMA13457, THE DESIGN / DEVELOPMENT AND MANUFACTURE OF GLUCOMANNAN (RHEOLEX(R) RS SERIES).j