Tokyo, Japan

Hisashi Kato

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Vodafone Group Plc.. Active years: 2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Kato. Retrieved from https://idiyas.com/inventor/hisashi-kato-6hp08agm

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2015

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1 patent (USPTO):Explore Patents

Title: Hisashi Kato: Innovator in Presence Display Systems

Introduction

Hisashi Kato is a notable inventor based in Minato-ku, Japan. He has made significant contributions to the field of technology, particularly in the development of systems that enhance user interaction through presence display technology. His innovative approach has led to the creation of a patent that addresses the need for effective communication and proximity awareness among users.

Latest Patents

Hisashi Kato holds a patent for a "Server apparatus and client apparatus in presence display system." This invention focuses on displaying the presence and distances between buddies in a digital environment. The system allows a mobile station to perform polling at predetermined intervals, transmitting location information to a presence server. It receives state information about buddies and displays their presence through icons that vary in size based on proximity. This innovative solution enhances user experience by providing real-time awareness of friends' locations.

Career Highlights

Throughout his career, Kato has demonstrated a commitment to advancing technology. His work at Vodafone Group Plc has allowed him to collaborate with other talented professionals in the field. His contributions have not only improved existing technologies but have also paved the way for future innovations in presence display systems.

Collaborations

Hisashi Kato has worked alongside notable colleagues such as Koichi Shimamura and Takenori Sekiya. Their combined expertise has fostered an environment of creativity and innovation, leading to the successful development of cutting-edge technologies.

Conclusion

Hisashi Kato's work in presence display systems exemplifies the impact of innovative thinking in technology. His patent reflects a deep understanding of user needs and the importance of connectivity in today's digital age. His contributions continue to influence the way users interact with technology, making him a significant figure in the field of innovation.

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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