Patented] Sunny Shield Ag+ New product developed with antifoaming agent to prevent foaming.
株式会社エイチ・アンド・ジェイ
H&J Corporation has been granted a patent (Patent No. 7774361) for a "formula containing an antifoaming agent" that suppresses foaming in its flagship product, "Sunny Shield Ag+". This patent has increased the possibility of reducing sensor problems caused by foaming in cleaning equipment such as vacuum cleaners with water-wiping functions and robot vacuum cleaners, which have become increasingly popular in recent years. We are currently conducting verification tests in actual use environments, with a view to joint development with manufacturers of household cleaning equipment.

Development based on Sunny Shield Ag+
Key points of this release
New formula with antifoam agent has been patented (Patent No. 7774361).
The patent was obtained for a formula that physically suppresses "excessive foaming," which is an issue in tanks of cleaning equipment, etc.
Expansion of application to water-wiping cleaning equipment
The patent presents the possibility of using the product in robot vacuum cleaners, etc., to reduce the risk of equipment problems caused by foaming, while simultaneously wiping with water and implementing hygiene measures.
Market-driven development based on consumer needs
Junko Furukata's "Weekend Before and After," which has been viewed over 200 million times (as of February 2026), is a tidying-up and storage media produced mainly by the company.
The issue of "foaming" with the spread of robot vacuum cleaners
Sunny Shield Ag+" has supported the environmental hygiene of many homes and facilities as a spray-on product for daily wipe-cleaning. In recent years, cleaning styles in households have become increasingly automated, and there has been a rapid increase in the need to use cleaning fluid in the water supply tanks of "robot vacuum cleaners with water-wiping functions" and "electric water-wiping vacuum cleaners.
On the other hand, when conventional cleaning fluids are used in these devices, there is a risk of excessive foaming in the devices, which can cause problems such as sensor malfunctions and pump failure, which has been an issue in the industry.
Patented
Approach using a formulation containing an antifoaming agent
In response to these issues, we have developed and patented (Patent No. 7774361) a "formulation with antifoaming agent" that suppresses excessive foaming of cleaning fluid. This suppresses the foaming phenomenon in the tanks of machines, and is believed to have greatly improved affinity with water-wiping operational equipment.
*The specific effects of the liquid formulation using this formula on equipment (e.g., pH value compatibility range, mixability with other ingredients, etc.) will vary depending on the specifications of the target cleaning equipment, and we will conduct a careful fact-based evaluation based on the scope of the patent gazette and future verification of the actual equipment.

Adapting the feel of Sunny Shield Ag+ to robot vacuum cleaners
■ Future development based on our knowledge of tidying and storage
The Company is currently considering actual device verification with a view to joint development with manufacturers of household cleaning equipment, utilizing this new formulation.
Through the YouTube channel "Weekend Before and After," which has approximately 434,000 registered users who are interested in improving living spaces through tidying and storage, the Company has the environment to constantly collect and analyze real problems on the frontlines and the voices of consumers.
We have focused on the affinity that "the reduction of objects on the floor through tidying up increases the operating efficiency and penetration rate of robot vacuum cleaners and other equipment. By combining the knowledge gained from this strong contact with the market with the development of liquids, we will not only solve technical problems, but also directly propose unprecedented comfortable living environments to users.

Junko Furukata, Weekend Before and After
Company Profile
Company name: H&J Inc.
Location: 6-11-9 Higashioi, Shinagawa-ku, Tokyo
Representative: Koyo Tagami, President
URL : https://handj.jp/
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