Why are Negative Cluster Ions Good for Us 
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The Proper Balance Between Negative-Ions and Positive-Ions
There are innumerable numbers of negative-ions and positive-ions around us, flying about to be combined together and be neutralized. It would be proper for human being and other living things that the number of negative-ions is slightly larger than positive-ions. Though it used to be kept good balance, modern society has several problems that factory emissions and chemical substances have been releasing a large number of positive-ions into atmosphere, which cause a loss of the balance.

It is considered that the rise in the number of positive-ions causes much trouble such as:
  • Loss of physical functions
  • Psychological trouble like emotional unstableness

Type of Air
Negative Ions per cc
Waterfall
15,000-100,000
Office
100
Shopping Centre
200
Open-Window Home
500
Road (Heavy Traffic)
300

Where are Negative-Ions?
In Western countries, the studies about negative-ions have begun earlier.Philipp Eduard Anton Lennard , he was a German physical scientist, published a theory:
  • Many of negative-ions are produced especially in the basin of a waterfall.
  • The sprays from the waterfall have an effect of negative-ions.
Since then, the generation of negative-ions has been called Lennard phenomenon.

The Ion Exchange Unit Invented by a Japanese Medical Scientist
Negative-ions have broken out getting a lot of coverage in the media recently. In addition, great kinds of air purifiers and air-conditioning equipment installed the facility of generating ions, are sold from many manufacturers.

However, they had already been invented around 35 years ago by a medical scientist in Japan, who considered whether the state of the basin of a waterfall filled with negative-ions could be re-created in the room.

The medical scientist, Dr Noboru Horiguchi , invented the world's first Ion Exchange Unit in 1990, which generates negative-ions equivalent to nature. A patent for the invention was issued and an air purifier generating negative-ions installed the Ion Exchange Unit was finally released in 1998 from SERUMI Medical Instruments which have jointed development.

How to Re-create the Equal Negative-ions Occurred in Nature?
In many catalogs of air cleaning devices, except ours, negative-ions are referred to be generated in the devices. But those devices produce not negative-ions of nature, but ions formed electronically.

The Ion Exchange Units installed in air purifiers of us ONLY enable to generate equivalent negative-ions occurred in nature, Reduction-ions.

The original technology, by which natural porous stone cause chemical reactions and create Reduction-ions, is patented by Dr Horiguchi and used in our manufactured articles.




For more information about negative cluster ions please contact us for a copy of publication. Available in Japanese and Chinese.