Tokyo, Japan

Nobuhiko Kikuchi

This inventor holds 42 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Optical Communication. Top assignees: Hitachi, Ltd., Hitachi Communication Technologies, Ltd., Oclaro Japan, Inc.. Active years: 1997-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuhiko Kikuchi. Retrieved from https://idiyas.com/inventor/nobuhiko-kikuchi

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

Calculating rank
USPTO Granted Patents = 42 

% Patents Active = 31.0

 

Average Co-Inventor Count = 1.4

ph-index = 10

Forward Citations = 357(Granted Patents)


Location History:

  • Nerima-ku, JP (2003)
  • Tokyo, JP (1997 - 2019)

Company Filing History:


Years Active: 1997-2026

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Areas of Expertise:
Wavelength Multiplexing
Optical Transceiver
Polarization Multiplexing
Optical Transmission
Optical Modulator
Optical Amplifiers
Pre-equalization
Optical Communication System
Signal Compensation
Optical Add-Drop Multiplexer
Optical Receiver
Optical Fiber Transmission
42 patents (USPTO):Explore Patents

Title: Innovations in Optical Communication: The Work of Nobuhiko Kikuchi

Introduction

Nobuhiko Kikuchi, a prominent inventor based in Tokyo, Japan, has made significant contributions to the field of optical communication technology. With a remarkable repertoire of 41 patents, Kikuchi has continuously pushed the boundaries of innovation in this critical area of technology. His work focuses on advancing optical transceivers and improving the reliability of optical signals.

Latest Patents

Kikuchi's recent patents encompass notable developments such as an optical transceiver, optical transmitter IC, and optical receiver IC. These inventions address both coding and decoding of optical signals and are designed to minimize waveform degradation using cost-effective circuits. The optical transceiver is equipped with a delay circuit within both the optical transmitter and receiver, which adjusts the delay time based on the amplitude level of the input digital signals. Furthermore, his optical communication system is adept at mitigating intensity waveform deterioration of optical intensity modulated signals while enhancing bit error ratios and receiver sensitivity.

Career Highlights

Nobuhiko Kikuchi has served at prestigious organizations, including Hitachi, Ltd. and Hitachi Communication Technologies, Ltd. His role in these companies has enabled him to collaborate on pioneering projects and leverage cutting-edge technologies to develop innovative optical solutions. His expertise in optical communications has been instrumental in shaping effective communication systems.

Collaborations

Throughout his career, Kikuchi has worked alongside talented individuals in the field, including Shinya Sasaki and Kohei Mandai. Their collaborative efforts have led to advancements in optical technology and have contributed to the successful development and patenting of various optical communication systems.

Conclusion

Nobuhiko Kikuchi's influential work in optical communications demonstrates the vital intersection of innovation and technology. With numerous patents to his name and successful collaborations with industry experts, he continues to play a pivotal role in enhancing the efficiency and effectiveness of optical signal transmission. His inventions not only have immediate applications but also lay the groundwork for future advancements in the optical communication landscape.

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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