A leading e-commerce company in Japan.

Most famous in Japan for original development of
unique healthcare products.


We are a Japanese e-commerce business dealing chiefly in health and medical products. We offer products both online and in print, and have published 1 million copies of our physical catalog to date. Nearly 50 years have passed since our founding, and we now have 2 million registered customers. Due to our unique offerings, the National Diet Library designated us as a magazine for preservation in 1985.

Our Strengths

As a company that got its start with health equipment, we have a wide network in the medical field. Those ties have made us proficient at developing original medical- and health-related products.
Our founder established an e-commerce association in 1985 in order to increase the credibility of the industry in Japan. We place great emphasis on the quality of our products, so many customers trust our goods. This has resulted in many longtime hit products.


Examples of Original Products

NanoCeram® water purifier that eliminates 99.9999% of bacteria, 99.999% of viruses, and 97.9% of PFAS, medical grip© that allows you to accurately perform blood-pressure lowering grip exercises certified by the American Heart Association, medical mattress pad for lower back pain, throat mist to prevent infectious diseases, earthplus air purifier to prevent spread of viruses
We also offer high-performance cosmetics made from 100% natural ingredients, original nutritional food, and more.


Our Strengths

Healthcare products (especially for the elderly), cosmetics, healthy food, functional clothing

Hit Products

Medical pillows: Over 3.02 million units.
Medical pad for lower back pain: Over 300,000 units.
Sunglasses for cataract prevention: Over 800,000 units High-performance cosmetics made from 100% natural ingredients: Over 3 million units

Sell our unique health products!
2-12-2 Yoyogi, Shibuya-ku, Tokyo
November 6, 1976
Capital Stock
100 million yen

We provide support to children from impoverished families.

CATALOGHOUSE supports the children at Peacevillage International.

1% of sales from Tsuhan Seikatsu (4 issues per year) and Tsuhan Seikatsu online (all products) is donated to Doctors Without Borders.


For more information on Doctors Without Borders, especially their efforts in Ukraine, please see the conversation between Seiko Ito—a writer and leader of the support group—and Shinjiro Murata—General Director of Doctors Without Borders in Japan. We will keep our readers updated on the results of our donations via Tsuhan Seikatsu.

  • Company Name
  • Address
  • 2-12-2 Yoyogi, Shibuya-ku, Tokyo
  • Representative
  • President and CEO Okura Saito
  • Founded
  • November 6, 1976
  • Capital Stock
  • 100 million yen
  • Fiscal Year End
  • March
2-12-2 Yoyogi, Shibuya-ku, Tokyo 151-0053
2-12-2 Yoyogi, Shibuya-ku, Tokyo 151-0053
CATALOGHOUSE Headquarters basement
4-480 Tateno, Higashiyamato City, Tokyo 207-0021
Removes 99.9999% of bacteria, 99.99% of viruses,
and converts tap water into mineral water
Our low prices mean you can buy one for every faucet.
High-performance, low-cost water purifier
NanoCeram® is inexpensive, but delivers the same great performance as high-end competitors.
NanoCeram details
The electrostatic filter (Argonide, Inc., USA), developed by NASA
space technology, has achieved high performance at a low cost.
Water that has left the treatment facility is safe...
But the inside of the water tank is dirty.
The NanoCeram® water purifier is a space exploration technology developed to purify the urine of crew members aboard NASA manned spacecraft.
It removes
  • 99.9999% of bacteria,
  • 99.99% of all viruses,
  • and 97.9% of per- and polyfluoroalkyl substances (PFAS).
The highly electropositive nano alumina fibers attract and capture all the impurities that are charged with electronegativity. The American company Argonide was inducted into NASA's Space Technology Hall of Fame for this. (Patented)
Many prominent companies utilize
the NanoCeram® water filter.
  • Institut Pasteur in France, known for developing the world's first vaccine, uses it for virus-testing filters.
  • The United States Environmental Protection Agency(EPA) has designated NanoCeram® as a filter for virus- testing in rivers.
  • The famous Italian winery Benotto Luigino Spumante uses it to filter impurities.
  • It is being used by more and more traditional Japanese restaurants as it improves the taste of water.
>Institut Pasteur in France

Institut Pasteur in France

If you use the NanoCeram® water filter...
Tap water becomes safe to drink.
Tap water becomes safe to drink.
Despite its small size...
  • It eliminates 99.9999% of bacteria.
  • It eliminates 99.99% of viruses.
  • It is used in traditional Japanese restaurants to make water taste better.
  • It cleans water for 1/5 the price of competitors.
The inside of the water tank is dirty.

In Japan, regularly cleaning the water tank is required by law, but still it gets dirty. How are things in Singapore?

The inside of the water tank is dirty.
The water becomes tasty enough for Michelin restaurants.
tasty enough for Michelin restaurants.
  • The filter removes mold and algae from the water tank(which cause strange odors and fishy smells) as well as iron, zinc, and copper that come off water pipes (which cause bitterness and astringency), making water more delicious.
  • It also removes chlorine, making it even tastier.
  • It also eliminates microorganisms like viruses and bacteria as well as per- and polyfluoroalkyl substances (PFAS), making it safe and suitable for washing vegetables.
  • process
  • process
  • process
Used at Michelin restaurants in Japan.
  • 中国料理「茶禅華(さぜんか)」
    Head Chef at the Chinese restaurant
    Sazenka Tomoya Kawada
  • 日本料理「分とく山(わけとくやま)」
    Executive Chef at the Japanese restaurant
    Waketokuyama Hiromitsu Nozaki
Instantly increases the credibility of your clinic.
If you use NanoCeram® in your hospital's water supply, your credibility with patients will skyrocket.
Instantly increases the credibility of your clinic.
  • Removes all harmful substances from tap water, making it safe.
  • Eliminates 99.99% of viruses and 99.9999% of bacteria.
  • Removes 97.9% of per- and polyfluoroalkyl substances (PFAS), which is a growing concern.
  • Removes 96% or more of the carcinogen trihalomethane.
Grip for 8 minutes a day even while watching TV to lower blood pressure.
Medical Grip©
Medical Grip©

Gripping for 8 minutes a day lowers blood pressure as shown in the table below.
This device can reproduce the blood pressure control exercise approved by the American Heart Association. Since many Japanese people's blood pressure dropped within two to three weeks, sales have reached close to 60,000 units in the years since the product's launch.

test results
blood vessels
Grip for 8 minutes a day to lower blood pressure
without medication.
Grip for 8 minutes a day to lower blood pressure without medication.
  • The world's first grip-only blood pressure exercise device.
  • The American Heart Association has approved this grip device.
  • Nearly 60,000 units have been sold in Japan, a country with high blood pressure.
  • Towel grip exercises are difficult for beginners, but even the elderly can exercise correctly with the display on the large screen!
Blood pressure drops in a few weeks,
Which enhances the reputation of the hospital or facility.
Hospitals & pharmacies
Hospitals & pharmacies
Retirement home, gym, & caregiving supply wholesaler
Retirement home, gym, & caregiving supply wholesaler
Life insurance companies
Retirement home, gym, & caregiving supply wholesaler
Medical Grip©
  • Sensory navigation by sound and vibration!  
  • Simple exercises requiring only hand movement.
  • For Japanese people, blood pressure falls in 2-3 weeks.
Medical Grip© Specifications
Medical Grip
  • WeightApprox. 175g
  • MaterialABS, silicon
  • Rechargeable battery life
    Approx. 500 charges (around 15,000 uses/rechargeable battery cannot be replaced)
    Made in Japan
  • *The unit will not respond to a grip strength of 10 kg or less.

  • *Please consult your doctor if you have stage 3 hypertension (systolic blood pressure of 180 or higher and diastolic blood pressure of 110 or higher) or suffer from heart disease.

How to Use
  • Preparation
  • Grip the unit with full power and record your maximum gripping power.
  • Exercise
    1. Grip the unit at 30% of your full strength for 2 minutes, then rest for 1 minute.
    2. Repeat with your other hand.
    3. Repeat steps 1 and 2.
  • This exercise greatly moves your arm muscles, stimulating vascular endothelial cells and increasing secretion of nitric oxide, which relaxes blood vessels. For Japanese people, it usually takes 2-3 weeks of exercise to lower blood pressure.
To our overseas buyers,
We are looking for overseas export partners.
For companies that value their customers...
We invite you to work with us to make our products a hit in your country.
We conduct business equally using a fair system of rewards and punishments.
Why don't we discuss the terms and conditions?
Contact us at...
Sell our unique health products!
We don't just sell!
We work in unison with your sales staff.
We offer surprisingly generous incentives and use a remote system to follow up every step
of the way in order to maximize the satisfaction of sales staff.
We will notify the purchaser
when it's time to replace the cartridge.
Our relationship with our customer begins after they purchase the product.
We utilize sales techniques cultivated almost 50 years of e-commerce experience
as well as our customer management system to encourage consumable orders.