View Cart
Ion Trading, Japan Contact Us | Company | Help  
Products What is Negative Ion? What is Tourmaline?

100 years of research history of negative ions

Home > Theory > What is a negative ion? > 100 years of research history of negative ions

Research activities started about 100 years ago

In the early 20th century, research activities on negative ions started in Germany, Russia, and some other countries, but many were disrupted by the WWII.

Extensive research was conducted in Japan during the 1930s at universities, in particular at Hokkaido University, and in laboratories. A number of theories were established during this period. Research had only been conducted by a small number of researchers until the late 1990s when negative ions started attracting more attention.
 
Author: Masaharu Nemoto
(Universal Plan Co., Ltd.)
Ecological Tourmaline Sheet (2X1m)
We proudly offer! Sales rank # 2    Sales rank (tourmaline) # 1
(154)
Ecological Tourmaline Sheet (2X1m) (Tourmaline Sheet)

Feedback from our customers!

· I better go to sleep at night and wake up rested and in a good mood.  Ms. L.B Illinois, United States

· Even after a hard work day, I recover from the exhaustion when I wake up in   Mr. K.O Tokyo, Japan

· I placed the sheet under the bedsheet. I often woke up every few hours but I  Mr. I.K Tochigi, Japan

· Back pain has eased. I wake up refreshed even after short hours of sleep.   Ms. M.T Tokushima, Japan

How negative ions decrease
Related pages of: 100 years of research history of negative ions
Contents of: What is a negative ion?
Contents of: Theory (Negative ion & Tourmaline)
· Negative Ion Generators
· Ion Counter
· Tourmaline Sheet
· Tourmaline Stones Powder
· Necklace
· Bracelet
· Bath Products
· Supporter
· Negative Ion Clothing
· Tourmaline Bedding
· Girdle
· Pet Supplies
· Home remedies for stiff neck
· Negative Ion Accessories
· Cosmetics

· Tourmaline Products
What is a negative ion? (13)
What is tourmaline? (7)
Tourmaline explorer (11)
Negative Ion FAQ (140)
Ideal amount of negative ions (1)
Actual negative and positive ion measurements featured in literature and media (1)
Learn more about negative ions (25)
How to choose the right negative ion generator (5)
How to choose the right negative ion products (9)
Misunderstanding about negative ions (10)
Theory of Air Ion (14)
Negative ion effects reported in medical literature (13)
Lenard effect (2)
Negative ion counter comparison chart (2)
Corporate customers (15)
Users Testimonials
Sale Rank | Theory | Dedication | How to Order | Payment | Shipping | Contact Us | Help |   View Cart
Specialised shop for negative ion products, Ion Trading Universal Plan Co., Ltd.
107 Tachikawa-Lumiere, 3-5-1, Ichiban-cho, Tachikawa-city,
Tokyo, 190-0033, Japan
Phone: +81-42-848-5311 Fax: +81-42-848-5148
Copyright (C) Universal Plan Co., Ltd. 1999-2017
Japanese Version