Tiny bubbles will enrich our lives

- Ultra Fine Bubble Technology -


More than

5,000 SOLD!

Our Differentiation

Please watch our video to learn more about the UFB technology and our product.




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” In our experiment, their Ultra Fine Bubble system was able to demonstrate a function that was sufficiently effective for hydrogen bath water production. ”

Presentation at the 64th Annual Meeting of the Japanese Society for Dialysis Therapy

Professor Emeritus Okouchi

What is UFB?

What is Ultra Fine Bubble technology?

Ultra Fine Bubble is a very tiny bubble which is 1,000,000mm sized.

(1 nano-meter) *Almost same size as COVID-19.
It is an innovative technology from Japan.

The proved effects are hyper cleaning effect, moisturizing effect, and gas dissolution effect.

UFB technology has been used at many industries such as, environment, factory, food processing, agriculture, fish farming, medical, beauty, and more.

It has been tested in many places, it has been put to practical use today.



Water Design Japan developed the world's first Ultra Fine Bubble technology nozzle, has been used more than 5,000 places in Japan such as: hospitals, factories, buildings, farm, and more!

The most selling Ultra Fine Bubble generator, UFB DUAL | Patent No.6182715

"Tine bubbles will enrich our lives"



Kazushi Fujita

Kazushi is a serial entrepreneur. After graduating from high-school, Kazushi moved to China and established his own e-commerce business. Kazushi continued to build business, including a weekly apartment service, hotel booking system, and more. After returning from China, Kazushi established a Japanese subsidiary and serves as representative. Kazushi has started Water Design Japan.


Haku Hou San

Born and raised in China and Japan, went to get degree in Beijing University while attending university in Japan. Haku established own business while schooling, later on buy-out the company. He has several startup and buy out experiences. Currently he leads sales with Water Design Japan.


Masahiro Shibatsuka

Masahiro started his career at Mitsubishi Rayon Co., Ltd., then transferred to Mitsubishi Rayon Engineering Co. Later, Masahiro became a board member of the same firm, and became a CEO of Mitsubishi Chemical CLEANSUI Co., Ltd. Currently he joined Water Design Japan as a board of directors, and a head of engineering.


Natsumi Ito

Raised in a global environment of Taiwan and Japan, earned a degree in Pennsylvania, USA. After graduating from college, Natsumi started working for an IT startup and was mainly in charge of English-speaking market at the overseas division. Natsumi later worked at a foreign company involved in SaaS company. Currently Natsumi leads marketing/PR for Water Design Japan.


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Awards / Supporter

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