Kawasaki, Japan

Hironobu Igarashi

This inventor holds 3 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1992-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hironobu Igarashi. Retrieved from https://idiyas.com/inventor/hironobu-igarashi

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


% Patents Active = 66.7

Average Co-Inventor Count = 1.8

ph-index = 3

Forward Citations = 22(Granted Patents)


Location History:

  • Yokohama, JP (1992)
  • Kawasaki, JP (2007 - 2009)

Company Filing History:


Years Active: 1992-2009

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3 patents (USPTO):Explore Patents

Title: Hironobu Igarashi: Pioneering Innovator in Mobile Communication

Introduction

Hironobu Igarashi, an accomplished inventor located in Kawasaki, Japan, has made significant strides in the realm of mobile communication technology. With a total of three patents to his name, Igarashi is recognized for developing innovative systems that enhance mobile communication efficiency and resource management.

Latest Patents

Igarashi's latest patents focus on mobile communication systems designed to optimize the allocation of communication resources based on traffic congestion. The first patent involves a system where each mobile station is supported by a base station through a dedicated radio transmission path. A base station control device manages these connections, enabling mobile stations to switch between base stations for optimal service quality. The mobile station receives real-time notifications regarding the communication resource conditions of its current base station. If advantageous, it can request a hand-off to a second base station, which the control device facilitates, ensuring seamless connectivity.

His second patent further elaborates on this theme, emphasizing the need for efficient hand-off processes guided by the current conditions of communication resources at base stations. This innovation underlines Igarashi's commitment to enhancing mobile communication systems, facilitating effective resource management in congested networks.

Career Highlights

Hironobu Igarashi has been an invaluable asset to Fujitsu Corporation, working alongside notable colleagues such as Katsutoshi Inoko and Yuji Kuroda. His role at Fujitsu has enabled him to drive forward the company's innovations in mobile technology, contributing to the development and enhancement of communication systems that serve users worldwide.

Collaborations

Throughout his career, Igarashi has collaborated with talented professionals like Katsutoshi Inoko and Yuji Kuroda, enhancing the development of mobile communication technologies. These partnerships highlight the spirit of teamwork and innovation that fuels progress in the technology sector.

Conclusion

Hironobu Igarashi stands out as a key inventor in the field of mobile communication, with his patents paving the way for more efficient and adaptive communication systems. His contributions not only reflect his innovative spirit but also demonstrate the collaborative efforts within Fujitsu Corporation to advance technology for the betterment of mobile communication experiences.

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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