Why a Preschool Holds Two Patents: Could Data on Play Change Children's Futures?
Yanagimachi Preschool in Kadoma City, Osaka, has secured two patents for an ICT-based childcare system and educational support system. The initiative, which automatically records and evaluates children's play to track its correlation with future academic performance, is a pioneering empirical study.
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- 📰 Published: May 21, 2026 at 01:14
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Yanagimachi Preschool in Kadoma City, Osaka (operated by the Social Welfare Corporation Sayuri-en, Director: Hiroyuki Onishi), has acquired two patents for an ICT-based 'childcare system' and 'educational support system.' This system allows for the automatic recording of children's activities simply by tapping their name tags at play corners. By evaluating the 'abilities nurtured' from play data and tracking their correlation with academic performance from elementary school onwards, this system is a one-of-a-kind initiative worldwide that attempts to verify with data the hypothesis that 'early childhood play influences future academic ability and life outcomes.'
To prove the belief that 'play is learning,' Yanagimachi Preschool went beyond implementing a childcare philosophy and independently developed and patented an ICT system. In an era where typical preschools 'buy' systems, Yanagimachi Preschool 'invented' one.
■ Overview of the Two Patents
Patent ① Childcare System (Patent No. 7332748)
- Automatic recording of children's play logs via IC touch.
- Real-time visualization of who is playing where.
- Allows guardians to check their child's day via smartphone.
- Individual real-time management of meal duration using IC tags in the lunchroom.
- Tablet-based visualization of play capacity and wait times.
- Play log distribution via email.
This revolutionary system clarifies the order of play and sends histories as daily reports to guardians. For mealtimes, it prevents long meal durations (inappropriate care) and reduces daily routine tasks like record-keeping, while providing improved services to guardians.
Patent ② Educational Support System (Patent No. 7856840)
- Evaluating 'nurtured abilities' from play data.
- Linking specific abilities to play types, such as 'construction play = creativity' and 'role play = cooperativeness.'
- Ability to cross-reference and track with elementary school academic evaluations after graduation.
- Exploring the correlation between 'play and the future' using AI big data analysis.
The time spent playing is aggregated by categories related to the '10 desired images of children by the end of early childhood.' It examines how childhood interests connect to future subjects, disciplines, and fields.
'We have always believed that play is learning. We wanted to prove that belief with data. The patent is not the goal, but the starting line for future research.' — Hiroyuki Onishi, Director of Yanagimachi Preschool.
■ Why Did a Preschool Invent a Patent?
In traditional all-class childcare, it was easy to see at a glance who could or could not do a task while doing the same activity. However, in 'selective childcare (environmental childcare)' adopted by Yanagimachi Preschool, each child chooses different play activities. The biggest challenge for teachers was to identify 'what is growing in this child' among diverse activities. This system was developed to solve the contradiction of 'properly grasping growth while respecting children's autonomy.' Teachers are freed from input tasks and can dedicate their time to the children.
■ About Yanagimachi Preschool
Opened in 2009 with the motto 'Children First.' A facility that continues to challenge the norms of the childcare industry.
Location: 14-10 Yanagimachi, Kadoma City, Osaka
Capacity: 171 students (ages 0-5)
Operator: Social Welfare Corporation Sayuri-en
Characteristics: Environmental childcare, infant assignment system, 'Yanagi Style' multi-age childcare (3-5 years).
■ Societal Impact of This Initiative
Research by Nobel laureate Professor James Heckman (University of Chicago) demonstrated the impact of high-quality investment in early childhood on adult income, health, and social participation. Yanagimachi Preschool's system provides a data foundation to verify the 'Heckman Equation' in the Japanese childcare field. By linking childcare play data, ability assessments, and elementary school report cards through AI analysis, the preschool aims to verify how early childhood play affects the future.
To prove the belief that 'play is learning,' Yanagimachi Preschool went beyond implementing a childcare philosophy and independently developed and patented an ICT system. In an era where typical preschools 'buy' systems, Yanagimachi Preschool 'invented' one.
■ Overview of the Two Patents
Patent ① Childcare System (Patent No. 7332748)
- Automatic recording of children's play logs via IC touch.
- Real-time visualization of who is playing where.
- Allows guardians to check their child's day via smartphone.
- Individual real-time management of meal duration using IC tags in the lunchroom.
- Tablet-based visualization of play capacity and wait times.
- Play log distribution via email.
This revolutionary system clarifies the order of play and sends histories as daily reports to guardians. For mealtimes, it prevents long meal durations (inappropriate care) and reduces daily routine tasks like record-keeping, while providing improved services to guardians.
Patent ② Educational Support System (Patent No. 7856840)
- Evaluating 'nurtured abilities' from play data.
- Linking specific abilities to play types, such as 'construction play = creativity' and 'role play = cooperativeness.'
- Ability to cross-reference and track with elementary school academic evaluations after graduation.
- Exploring the correlation between 'play and the future' using AI big data analysis.
The time spent playing is aggregated by categories related to the '10 desired images of children by the end of early childhood.' It examines how childhood interests connect to future subjects, disciplines, and fields.
'We have always believed that play is learning. We wanted to prove that belief with data. The patent is not the goal, but the starting line for future research.' — Hiroyuki Onishi, Director of Yanagimachi Preschool.
■ Why Did a Preschool Invent a Patent?
In traditional all-class childcare, it was easy to see at a glance who could or could not do a task while doing the same activity. However, in 'selective childcare (environmental childcare)' adopted by Yanagimachi Preschool, each child chooses different play activities. The biggest challenge for teachers was to identify 'what is growing in this child' among diverse activities. This system was developed to solve the contradiction of 'properly grasping growth while respecting children's autonomy.' Teachers are freed from input tasks and can dedicate their time to the children.
■ About Yanagimachi Preschool
Opened in 2009 with the motto 'Children First.' A facility that continues to challenge the norms of the childcare industry.
Location: 14-10 Yanagimachi, Kadoma City, Osaka
Capacity: 171 students (ages 0-5)
Operator: Social Welfare Corporation Sayuri-en
Characteristics: Environmental childcare, infant assignment system, 'Yanagi Style' multi-age childcare (3-5 years).
■ Societal Impact of This Initiative
Research by Nobel laureate Professor James Heckman (University of Chicago) demonstrated the impact of high-quality investment in early childhood on adult income, health, and social participation. Yanagimachi Preschool's system provides a data foundation to verify the 'Heckman Equation' in the Japanese childcare field. By linking childcare play data, ability assessments, and elementary school report cards through AI analysis, the preschool aims to verify how early childhood play affects the future.
FAQ
Why did Yanagimachi Preschool obtain patents?
To scientifically and objectively prove through data their philosophy that 'play is learning'.
What kind of data does the system collect?
By tapping name tags, the system records when and where children play, as well as the nature of their activities.
What are their future analysis goals?
To analyze the correlation between early childhood play activities and future educational outcomes, such as elementary school performance.