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For the Inventor, By the Inventor

Matsumoto, Japan

Hiroki Yoshioka

This inventor holds 7 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 2008-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Yoshioka. Retrieved from https://idiyas.com/inventor/hiroki-yoshioka-0dq9c436

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

Calculating rank
USPTO Granted Patents = 7

% Patents Active = 57.1

Average Co-Inventor Count = 1.1

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Nagano, JP (2010 - 2011)
  • Matsumoto, JP (2008 - 2018)

Company Filing History:

goldMedal7 out of 34,305 
 
Seiko Epson Corporation
 patents

Years Active: 2008-2018

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7 patents (USPTO):Explore Patents
1. 10101463 - Correlation processing method, correlation processing circuit (2018-10-16),
2. 8849192 - Method of determining reliability of received signal, method of calculating code phase error, and apparatus for determining reliability of received signal (2014-09-30),
3. 8358241 - Position calculating method and position calculating device (2013-01-22),
4. 8068055 - Positioning device, method of controlling positioning device, and recording medium having program for controlling positioning device recorded thereon (2011-11-29),
5. 7898474 - Positioning device, method of controlling positioning device, and recording medium having program for controlling positioning device recorded thereon (2011-03-01),
6. 7821452 - Positioning device, positioning control method, and recording medium (2010-10-26),
7. 7468691 - Positioning device, positioning control method, and recording medium (2008-12-23),

Title: Hiroki Yoshioka: Innovator in Correlation Processing Technologies

Introduction

Hiroki Yoshioka is a prominent inventor based in Matsumoto, Japan. He has made significant contributions to the field of correlation processing, holding a total of 7 patents. His work focuses on enhancing the reliability and efficiency of signal processing, particularly in applications related to positioning satellites.

Latest Patents

Yoshioka's latest patents include a correlation processing method and a correlation processing circuit. The correlation processing method involves generating a correlation code where the code value of a chip boundary period is set to a value of a replica code. Additionally, the code value of a chip center period, other than the chip boundary period, is set to a predetermined value. This method performs a correlation calculation with respect to the correlation code and a received code signal obtained by demodulating a received signal from a positioning satellite. Another notable patent is a method of determining the reliability of a received signal. This method correlates a received signal from a satellite to a replica code and determines the reliability of the received signal according to a predetermined reference using two values. The first value is a correlation value of a peak phase obtained from the correlation, while the second value is a correlation value of a phase delayed for a predetermined phase from the peak phase.

Career Highlights

Hiroki Yoshioka is currently employed at Seiko Epson Corporation, where he continues to innovate in the field of signal processing. His work has been instrumental in advancing technologies that rely on accurate signal interpretation and reliability.

Collaborations

Yoshioka has collaborated with notable colleagues, including Kazuhiko Tsuchimoto and Fumikazu Sano. Their combined expertise has contributed to the development of cutting-edge technologies in their field.

Conclusion

Hiroki Yoshioka is a distinguished inventor whose work in correlation processing has led to significant advancements in signal reliability and efficiency. His contributions continue to impact the field positively, showcasing the importance of innovation 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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