Tokyo, Japan

Junko Kato

This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Riso Kagaku Corporation. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junko Kato. Retrieved from https://idiyas.com/inventor/junko-kato-47lruhlo

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 1 

Average Co-Inventor Count = 1.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Junko Kato: Inventor of a School–Guardian Communication System

Introduction

Junko Kato is an inventor based in Tokyo, Japan, associated with Riso Kagaku Corporation. Her patent work addresses communication between schools and guardians, with distinct options for direct messaging and view-only bulletin board updates.

Latest Patents

Kato is credited with 1 patent. Her patent, “Communication system,” describes a system with separate server devices for managing messages and bulletin board communications. The message management server accepts communication data from a school terminal and forwards it to a guardian terminal, while also accepting messages sent by guardians. The bulletin board management server accepts school communications and makes them viewable to guardians, but does not accept communications from guardian terminals. The system can switch between sending school communications to either server.

Career Highlights

Kato’s listed invention focuses on organizing school-to-guardian communication through different channels, allowing schools to choose between interactive messaging and bulletin board updates. She is associated with Riso Kagaku Corporation.

Collaborations

Kato’s listed coworker is Tomohiro Hattori. The available information identifies this professional connection but does not specify a particular joint patent or project.

Conclusion

Junko Kato’s patent describes a flexible communication system that distinguishes between two-way messaging and school-managed bulletin board updates for guardians.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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