Tokyo, Japan

Hiroyuki Iida

This inventor holds 24 USPTO granted patents and 1 EPO patent, primarily in Optical Networking. Top assignees: Nippon Telegraph and Telephone Corporation, Bridgestone Corporation, Mitsubishi Electric Corporation. Active years: 1991-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Iida. Retrieved from https://idiyas.com/inventor/hiroyuki-iida

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


% Patents Active = 95.8

 

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 33(Granted Patents)


Location History:

  • Kadaira, JP (1998)
  • Kodaira, JP (1993 - 2002)
  • Tokyo, JP (1991 - 2024)
  • Musashino, JP (2021 - 2024)

Company Filing History:


Years Active: 1991-2025

Loading Chart...
Loading Chart...
Areas of Expertise:
Optical Multiplexing
Optical Network System
Optical Fiber
Manufacturing Method
Signal Processing
Communication Apparatus
Testing Method
Optical Switching
Simulation Signal
Judgment Device
Pneumatic Tires
Pressure Sensitive Adhesive
24 patents (USPTO):Explore Patents

Title: Innovations of Hiroyuki Iida

Introduction

Hiroyuki Iida is a prominent inventor based in Tokyo, Japan, known for his significant contributions to optical technologies. With a portfolio that includes 24 patents, Iida has made strides in optimizing optical multiplexing and network systems. His work has paved the way for advancements in the efficiency and functionality of optical communication technologies.

Latest Patents

Iida's latest innovations focus on optical multiplexing and demultiplexing methods as well as the corresponding circuit and manufacturing techniques. One notable patent describes an optical multiplexing and demultiplexing method which involves arranging the polished surface of a coated optical fiber and an optical waveguide in a way that allows for a desired branching ratio from the fiber to the waveguide. This innovative approach enhances the performance of optical communication systems.

Another significant patent revolves around the development of an optical network system designed for high electric power efficiency. This system employs a bus wiring type configuration and includes an optical line terminal device to transmit optical signals, and a multiplexer/demultiplexer circuit to manage those signals effectively. The inclusion of a photoelectric conversion unit to recycle wasted electric power demonstrates Iida's commitment to sustainability in technology.

Career Highlights

Hiroyuki Iida has had a remarkable career at leading technology companies. He has worked at Nippon Telegraph and Telephone Corporation, where he contributed to advancing telecommunications technology. Furthermore, his experience includes a tenure at Bridgestone Corporation, where he applied his innovative mindset to develop technologies that intersect with the automotive industry.

Collaborations

Iida has collaborated with various esteemed professionals throughout his career. Notably, he has worked alongside Takui Uematsu and Hidenobu Hirota, both of whom have shared their expertise in optics and telecommunications. Their joint efforts have resulted in several successful projects that continue to influence the field.

Conclusion

Hiroyuki Iida's innovative spirit and extensive work in optical technologies have significantly impacted the landscape of telecommunications. With his inventive methods and collaborative approach, Iida continues to push the boundaries of what is achievable in optical systems. His latest patents not only exemplify his ingenuity but also contribute to a more efficient and effective future in optical networking.

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]
Loading…