Yokohama, Japan

Naoki Itabashi

This inventor holds 20 USPTO granted patents and 3 published patent applications, primarily in Optical Semiconductor Technology. Top assignee: Sumitomo Electric Industries, Limited. Active years: 2015-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoki Itabashi. Retrieved from https://idiyas.com/inventor/naoki-itabashi

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

Calculating rank
USPTO Granted Patents = 20 

% Patents Active = 85.0

Average Co-Inventor Count = 1.9

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Kawasaki, JP (2017)
  • Yokohama, JP (2015 - 2020)
  • Osaka, JP (2019 - 2023)

Company Filing History:


Years Active: 2015-2026

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Areas of Expertise:
Optical Semiconductor Module
Transimpedance Amplifier
Variable Gain Circuit
Differential Amplifier
Laser Driver Circuit
Optical Transmitter
Amplifier Circuit
Integrated Circuit Device
Optical Modulator Module
Differential Circuit
Amplifier
Traveling-Wave Amplifier
20 patents (USPTO):Explore Patents

Title: The Innovations of Naoki Itabashi in Optical Technology

Introduction

Naoki Itabashi, a prominent inventor based in Yokohama, Japan, has made significant contributions to the field of optical technology. With a remarkable portfolio of 17 patents, Itabashi has played a crucial role in advancing the capabilities of optical modules and circuits, showing dedication to innovation and excellence.

Latest Patents

Among his latest inventions, Itabashi developed an optical module that includes a unique circuit board designed with a through hole for the lead terminal. This innovative design enhances signal transmission by incorporating a ground layer that provides a reference potential, effectively minimizing interference. The bond between the ground layer and the metallic base is achieved through a specialized bonding material, ensuring optimal performance. Additionally, his patent for an optical receiver with a transimpedance amplifier circuit further demonstrates his expertise. This device features a photodiode that converts incoming optical signals into current, harnessing various circuit elements that regulate input impedance for better functionality and efficiency.

Career Highlights

Naoki Itabashi is currently employed at Sumitomo Electric Industries, Limited, a leading company in the field of electrical and optical components. His role has allowed him to explore various innovations in optics, leading to numerous patents that contribute significantly to the industry. His technical prowess and innovative mindset have led to advancements that benefit a wide range of applications.

Collaborations

Throughout his career, Itabashi has collaborated with notable coworkers such as Keiji Tanaka and Taizo Tatsumi. Together, they have embarked on various projects that leverage their collective expertise, resulting in groundbreaking innovations in optical technology. These collaborations have not only enhanced Itabashi's work but have also contributed to the success of Sumitomo Electric Industries.

Conclusion

Naoki Itabashi's journey as an inventor is marked by his dedication to innovation in optical technology. With his impressive patent portfolio and collaborative spirit, he continues to push the boundaries of what's possible in the field. His work not only benefits his company but also paves the way for future advancements in technology.

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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