Chino, Japan

Naoki Ishihara

This inventor holds 10 USPTO granted patents and 4 published patent applications. Top assignees: Seiko Epson Corporation, Epson Toyocom Corporation. Active years: 2011-2020.

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

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

USPTO Granted Patents = 10 

% Patents Active = 40.0

Average Co-Inventor Count = 1.4

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Chino, JP (2016 - 2019)
  • Machida, JP (2011 - 2020)

Company Filing History:


Years Active: 2011-2020

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10 patents (USPTO):Explore Patents

Title: Naoki Ishihara: Innovator in Frequency Signal Generation

Introduction

Naoki Ishihara is a prominent inventor based in Chino, Japan. He has made significant contributions to the field of frequency signal generation, holding a total of 10 patents. His work has advanced the understanding and application of quantum interference devices and atomic oscillators.

Latest Patents

Ishihara's latest patents include a frequency signal generation apparatus and a frequency signal generation system. The frequency signal generation apparatus features an atom cell that consists of a first part containing gaseous alkali metal atoms and a second part with liquid alkali metal atoms. This innovative design incorporates a first temperature controller to manage the temperature of the first part and a second temperature controller to maintain a lower temperature in the second part. Additionally, the system includes temperature detectors that monitor the temperatures of both parts, ensuring precise control and functionality.

Another notable patent is the quantum interference device, which comprises an atomic cell sealed with alkali metal, a light source for excitation, and a light receiver that detects light intensity. The device is designed to output signals based on the light transmitted through the atomic cell, showcasing Ishihara's expertise in integrating various components for enhanced performance.

Career Highlights

Throughout his career, Naoki Ishihara has worked with esteemed companies such as Seiko Epson Corporation and Epson Toyocom Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the field of electronics and signal generation.

Collaborations

Ishihara has collaborated with notable colleagues, including Nobuhito Hayashi and Yoshiyuki Maki. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Naoki Ishihara's contributions to frequency signal generation and quantum interference devices highlight his role as a leading inventor in the field. His innovative patents and collaborations reflect a commitment to advancing technology and enhancing electronic systems.

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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