Kokubunji, Japan

Masahiko Mizutani

This inventor holds 44 USPTO granted patents and 4 EPO patents, primarily in Optical Communication Systems. Top assignees: Hitachi, Ltd., Hitachi Communication Technologies, Ltd.. Active years: 2008-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Mizutani. Retrieved from https://idiyas.com/inventor/masahiko-mizutani

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


% Patents Active = 9.1

 

Average Co-Inventor Count = 3.4

ph-index = 7

Forward Citations = 316(Granted Patents)


Location History:

  • Kokubunji, JP (2008 - 2014)
  • Fujisawa, JP (2013 - 2015)
  • Yokohama, JP (2010 - 2016)
  • Tokyo, JP (2016)

Company Filing History:


Years Active: 2008-2016

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Areas of Expertise:
Optical Communication
Passive Optical Network
Bandwidth Control
Network Configuration
Data Transfer
Authentication Device
TDM Interconnection
Optical Line Terminal
Multicast Management
Packet Forwarding
Fault Determination
Optical Access
44 patents (USPTO):Explore Patents

Title: Innovations of Masahiko Mizutani: A Trailblazer in Communication Systems

Introduction

Masahiko Mizutani, based in Kokubunji, Japan, is a distinguished inventor with a remarkable portfolio of 44 patents. His innovations primarily focus on communication systems, showcasing his commitment to enhancing connectivity and precision time synchronization across complex networks. Mizutani's inventions have significantly impacted the field, making him a notable figure in technological advancements.

Latest Patents

Mizutani's latest patents include a "Communication system and time synchronization method" designed for extensive distribution systems utilizing a relay network. This invention mitigates the influence of fluctuating communication delays, ensuring high-precision time synchronization. It includes the implementation of first and second delay control devices at junctions between communication networks and the relay network. These devices retain crucial time information while setting relay network passing times for communication signals. By measuring communication delay times in advance, Mizutani's system unifies these passing times to eliminate uncertainties during synchronization.

Another groundbreaking patent is the "Communication system and its device," where a transmission device utilizes the transmission delay time and time information to create correction values for terminals. The terminal receives this correction value and utilizes expected arrival time information in its communication with the transmission device. This self-correcting mechanism ensures synchronization between the terminal's and transmission device's time information, enhancing reliability within the communication process.

Career Highlights

Mizutani's career is notably marked by his tenure at renowned companies such as Hitachi, Ltd. and Hitachi Communication Technologies, Ltd. Through his roles in these leading firms, he has contributed to various innovations and has established himself as a prominent inventor in the field of communication technology.

Collaborations

Throughout his career, Masahiko Mizutani has collaborated with esteemed colleagues, including Yoshihiro Ashi and Tohru Kazawa. Together, they have worked on advancing communication technologies, further enhancing Mizutani's impact on the industry through collaborative innovation.

Conclusion

Masahiko Mizutani's extensive patent portfolio and innovative contributions to communication systems underscore his role as a pivotal inventor in the technological landscape. His advancements not only address current challenges in communication delay and synchronization but also lay the groundwork for future developments in the field, ensuring that he remains an influential figure in the realm of innovations.

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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